Researchers must report potential unanticipated problems that involve risks to others directly to:Institutional Risk ManagerAmerican Psychological AssociationHIPAA...
A researcher conducting behavioral research collects individually identifiable sensitive information about illicit drug use and other illegal behaviors by surveying college students. One of the subjects is in an automobile accident two weeks after participating in the research study. Is this an example of an unanticipated problem that requires reporting to the IRB?
A researcher conducting behavioral research collects individually identifiable sensitive information about illicit drug use and other illegal behaviors...
Researchers must report potential unanticipated problems that involve risks to others directly to:
Researchers must report potential unanticipated problems that involve risks to others directly to:Institutional Risk ManagerAmerican Psychological AssociationHIPAA...
A researcher conducting behavioral research collects individually identifiable sensitive information about illicit drug use and other illegal behaviors by surveying college students. The data are stored on a laptop computer without encryption, and the laptop computer is stolen from the researcher's car on the way home from work. This is an unanticipated problem that must be reported because the incident was (a) unexpected (i.e., the researchers did not anticipate the theft); (b) related to participation in the research; and (c) placed the subjects at a greater risk of psychological and social harm from the breach in confidentiality of the study data than was previously known or recognized. According to OHRP, this unanticipated problem must be reported to the IRB in which timeframe?
A researcher conducting behavioral research collects individually identifiable sensitive information about illicit drug use and other illegal behaviors...
According to OHRP, a problem is an "unanticipated problem" when it meets which of the following criteria:
According to OHRP, a problem is an "unanticipated problem" when it meets which of the following criteria:Unexpected, related or possibly related to the...
The provisions of Subpart D, of the HHS regulations, Additional Protections for Children Involved as Subjects in Research apply to:
The provisions of Subpart D, of the HHS regulations, Additional Protections for Children Involved as Subjects in Research apply to:All research involving...
The procedures for reporting potential unanticipated problems involving risk to subjects or others to the IRB are:
The procedures for reporting potential unanticipated problems involving risk to subjects or others to the IRB are:Stated in the human subject protection...
A researcher conducts a focus group to learn about attitudes towards hygiene and disease prevention. Two weeks after the focus group, the researcher learns one of the subjects had a heart attack at home and was hospitalized, but made a full recovery. Based on DHS regulations, the researcher report this event to the IRB?
A researcher conducts a focus group to learn about attitudes towards hygiene and disease prevention. Two weeks after the focus group, the researcher learns...
According to federal regulations, "children" are defined as:
According to federal regulations, "children" are defined as:Persons who have not yet attained the legal age of consent under the applicable laws in the...
A study that involves interviews of adults is eligible for expedited review. The researcher wants to add an adolescent population (aged 12 to 17) to the study and has designed a parental permission and assent process. No additional changes are planned. Which of the following statements about review of the revised protocol is accurate?
A study that involves interviews of adults is eligible for expedited review. The researcher wants to add an adolescent population (aged 12 to 17) to the...
According to Subpart D, research with children may be eligible for exemption when:
According to Subpart D, research with children may be eligible for exemption when:The children will be asked to complete a surveyThe research involves...
A researcher's study uses a dataset of prisoner demographic characteristics. This dataset includes criminal history data that predates incarceration and includes data on disciplinary behavior while in prison. There is no interaction with prisoners. The researcher claims and the IRB chair agrees that the study is exempt from IRB review. This decision:
A researcher's study uses a dataset of prisoner demographic characteristics. This dataset includes criminal history data that predates incarceration and...
A researcher wants to observe preschoolers at a local public playground to evaluate levels of cooperation. The researcher will not interact with the children. This research would be eligible for which type of IRB review?
A researcher wants to observe preschoolers at a local public playground to evaluate levels of cooperation. The researcher will not interact with the children....
Which of the following statements most accurately describes the requirement for the documentation of minors' assent to participate in research?
Which of the following statements most accurately describes the requirement for the documentation of minors' assent to participate in research?Parents...
A researcher asks an IRB to waive the requirement for parental permission for a study conducted in schools because the nature of the research requires participation of all the children present in classrooms on the day the research will take place. Assuming that the basic research design could be approved by the IRB and the school, which of the following requirements must be met before an IRB could waive parental permission?
A researcher asks an IRB to waive the requirement for parental permission for a study conducted in schools because the nature of the research requires...
The specific Department of Health and Human Services (HHS) Regulations that apply to research with children are known as:
The specific Department of Health and Human Services (HHS) Regulations that apply to research with children are known as:Subpart B: Additional Protections...
A sociologist wants to study a culture that occurs in some women's prisons: "state families," in which individual prisoners take on certain roles within a group of like-minded prisoners. There is previous evidence that younger prisoners will use older inmates who play the roles of grandparents as a resource before they will turn to staff for help and advice. The lieutenant in charge of a dorm of long-term prisoners offers to gather volunteers to speak to the researcher and also offers to vouch for the integrity of the researcher. The use of this staff is:
A sociologist wants to study a culture that occurs in some women's prisons: "state families," in which individual prisoners take on certain roles within...
A graduate student wants to examine the effect of print media versus televised media on individuals' position on several social issues. The superintendent of a local work release facility, a family friend, will allow the graduate student access to the prison population to help her quickly accrue subjects. The student's IRB should:
A graduate student wants to examine the effect of print media versus televised media on individuals' position on several social issues. The superintendent...
Which example of research with prisoners would be allowable under the regulations?
Which example of research with prisoners would be allowable under the regulations?Examining age at first arrest as a predictor of adult criminal history.Examining...
A researcher wants to contact former prisoners who are now on parole. She wants to study the difficulty of getting employment based on whether the subjects had been convicted of felony versus misdemeanor crimes. She needs to:
A researcher wants to contact former prisoners who are now on parole. She wants to study the difficulty of getting employment based on whether the subjects...
A researcher is examining the quality of life for prisoners who are HIV positive using surveys followed by interview. The IRB must ensure that:
A researcher is examining the quality of life for prisoners who are HIV positive using surveys followed by interview. The IRB must ensure that:All prisoners...
A researcher leaves a research file in her car while she attends a concert and her car is stolen. The file contains charts of aggregated numerical data from a research study with human subjects, but no other documents. The consent form said that no identifying information would be retained, and the researcher adhered to that component. Which of the following statements best characterizes what occurred?
A researcher leaves a research file in her car while she attends a concert and her car is stolen. The file contains charts of aggregated numerical data...
Which of the following constitutes both a breach of confidentiality (the research data have been disclosed, counter to the agreement between researcher and subjects) and a violation of subjects' privacy (the right of the individuals to be protected against intrusion into their personal lives or affairs)?
Which of the following constitutes both a breach of confidentiality (the research data have been disclosed, counter to the agreement between researcher...
In a longitudinal study that will follow children from kindergarten through high school and will collect information about illegal activities, which of the following confidentiality procedures would protect against compelled disclosure of individually identifiable information?
In a longitudinal study that will follow children from kindergarten through high school and will collect information about illegal activities, which of...
When a focus group deals with a potentially sensitive topic, which of the following statements about providing confidentiality to focus group participants is correct?
When a focus group deals with a potentially sensitive topic, which of the following statements about providing confidentiality to focus group participants...
A researcher is studying women recently admitted to a state prison. All potential subjects must have children under the age of five. Research subjects will be given a basket of toys to use at their children's first visit that the children can then take home. In assessing this proposal, the IRB needs to determine that the toys are:
A researcher is studying women recently admitted to a state prison. All potential subjects must have children under the age of five. Research subjects...
A general requirement for informed consent is that no informed consent may include any exculpatory language. Exculpatory language is that which waives or appears to waive any of the subject's legal rights or releases or appears to release those conducting the research from liability for negligence. Which of the following statements in a consent form is an example of exculpatory language?
A general requirement for informed consent is that no informed consent may include any exculpatory language. Exculpatory language is that which waives...
A criterion for waiving informed consent is that, when appropriate, subjects are provided additional pertinent information after the study. In which of the following studies would it NOT be appropriate to provide subjects with information about missing elements of consent:
A criterion for waiving informed consent is that, when appropriate, subjects are provided additional pertinent information after the study. In which of...
A waiver of the requirement for documentation of informed consent may be granted when:
A waiver of the requirement for documentation of informed consent may be granted when:The investigator has no convenient place to store signed consent...
As part of the consent process, the federal regulations require researchers to:
As part of the consent process, the federal regulations require researchers to:Provide potential subjects with information at the appropriate reading...
Data are made anonymous by:
Data are made anonymous by:Reporting data in aggregate form in publications resulting from the research.Requiring all members of the research team to...
Risk of harm in social and behavioral sciences generally fall in three categories, which are:
Risk of harm in social and behavioral sciences generally fall in three categories, which are:Breach of confidentiality, loss of autonomy, and study proceduresStudy...
What statement about risks in social and behavioral sciences research is most accurate:
What statement about risks in social and behavioral sciences research is most accurate:Anonymizing data effectively manages the risk of creating emotional...
The primary purpose of a Certificate of Confidentiality is to:
The primary purpose of a Certificate of Confidentiality is to:Allow law enforcement to investigate abuse cases.Protect researchers from disclosing conflicts...
A researcher wants to do a web-based survey of college students to collect information about their sexual behavior and drug use. Direct identifiers will not be collected; however, IP addresses may be present in the data set. Risk of harm should be evaluated by:
A researcher wants to do a web-based survey of college students to collect information about their sexual behavior and drug use. Direct identifiers will...
A therapist at a free university clinic treats elementary school children with behavior problems who are referred by a social service agency. She is also a doctoral candidate who proposes using data she has and will collect about the children for a case-based research project. Which of the following statements about parental permission is correct?
A therapist at a free university clinic treats elementary school children with behavior problems who are referred by a social service agency. She is also...
According to the federal regulations, research is eligible for exemption, if:
According to the federal regulations, research is eligible for exemption, if:All the subjects are adults and the risk is minimal.The investigator is experienced...
According to federal regulations, the expedited review process may be used when the study procedures pose:
According to federal regulations, the expedited review process may be used when the study procedures pose:No more than minimal risk and the research activities...
Which of the following statements about the relationship between an institution and the institution's IRB(s) is correct?
Which of the following statements about the relationship between an institution and the institution's IRB(s) is correct?Institutional priorities take...
Continuing review of an approved and ongoing protocol
Continuing review of an approved and ongoing protocolMust be conducted by a convened IRB.Is limited to review of unanticipated problems.Must occur within...
Identify the example of when situation and time are key to assessing risk of harm in a research study:
Identify the example of when situation and time are key to assessing risk of harm in a research study:A study on the efficacy of a behavioral intervention...
According to the federal regulations, which of the following studies meets the definition of research with human subjects?
According to the federal regulations, which of the following studies meets the definition of research with human subjects?A study of twenty 4th grade...
In addition to pregnant women, fetuses, and neonates, another subpart of the HHS regulations provides additional protections for which of the following vulnerable populations?
In addition to pregnant women, fetuses, and neonates, another subpart of the HHS regulations provides additional protections for which of the following...
According to the federal regulations, which of the following studies meets the definition of research with human subjects?
According to the federal regulations, which of the following studies meets the definition of research with human subjects?A. A researcher uses the Customs...
According to the federal regulations, which of the following studies meets the definition of research with human subjects?
According to the federal regulations, which of the following studies meets the definition of research with human subjects?A. A researcher conducts a comparison...
According to the federal regulations, which of the following studies meets the definition of research with human subjects?
According to the federal regulations, which of the following studies meets the definition of research with human subjects?A. A researcher receives anonymized...
Census data is an example of:
Census data is an example of:Public information.Private behavior.Private information.Public behavior.Answer: Public informat...
Which of the following studies is linked most directly to the establishment of the National Research Act in 1974 and ultimately to the Belmont Report and Federal regulations for human subject protection?
Which of the following studies is linked most directly to the establishment of the National Research Act in 1974 and ultimately to the Belmont Report...
A professor at Big State University is writing a biography about Bill Gates and conducting oral histories with all of Bill Gates' friends, family members and business acquaintances. The researcher submits the research proposal to the institution's IRB. What action can he expect by the IRB?
A professor at Big State University is writing a biography about Bill Gates and conducting oral histories with all of Bill Gates' friends, family members...
According to the federal regulations, human subjects are living human beings about whom an investigator obtains data through interaction or intervention with the individual or:
According to the federal regulations, human subjects are living human beings about whom an investigator obtains data through interaction or intervention...
According to the Belmont Report, the moral requirement that there be fair outcomes in the selection of research subjects, expresses the principle of:
According to the Belmont Report, the moral requirement that there be fair outcomes in the selection of research subjects, expresses the principle of:A....
The researcher's failure to protect research subjects from deductive disclosure is the primary ethical violation in which of the following studies?
The researcher's failure to protect research subjects from deductive disclosure is the primary ethical violation in which of the following studies?A....
Humphreys collecting data for the Tearoom Trade study under the pretense that he was a lookout is an example of a violation of the principle of:
Humphreys collecting data for the Tearoom Trade study under the pretense that he was a lookout is an example of a violation of the principle of:A. Justice.B....
The Belmont principle of beneficence requires that:
The Belmont principle of beneficence requires that:A. Subjects derive individual benefit from study participation.B. Potential benefits justify the risks...
A Omar ____ ir de compras.
A Omar ____ ir de compras.Answer: le abu...
A ti y a mí ____ el baile.
A ti y a mí ____ el baile.Answer: nos abu...
A Marcela ____ los libros.
A Marcela ____ los libros.Answer: le abur...
A mis amigos ____ los museos.
A mis amigos ____ los museos.Answer: les abur...
A ella ____ el ciclismo.
A ella ____ el ciclismo.Answer: le abu...
A ustedes ____ el béisbol.
A ustedes ____ el béisbol.Answer: les abu...
A ti ____ las películas.
A ti ____ las películas.Answer: te abur...
A usted ____ los viajes.
A usted ____ los viajes.Answer: le abur...
A mí ____ las revistas.
A mí ____ las revistas.Answer: me abur...
A Jorge y a Luis ____ los perros.
A Jorge y a Luis ____ los perros.Answer: les abur...
A nosotros ____ las vacaciones.
A nosotros ____ las vacaciones.Answer: nos abur...
A usted ____ jugar al tenis.
A usted ____ jugar al tenis.Answer: le fasc...
A mi esposo y a mí ____ dormír.
A mi esposo y a mí ____ dormír.Answer: nos fasc...
A Alberto ____ dibujar y pintar.
A Alberto ____ dibujar y pintar.Answer: le fasc...
A todos ____ opinar.
A todos ____ opinar.Answer: nos fasc...
A Pili ____ los sombreros.
A Pili ____ los sombreros.Answer: le fasci...
A nosotras ____ cantar.
A nosotras ____ cantar.Answer: nos fasc...
A ustedes ____ leer.
A ustedes ____ leer.Answer: les fasc...
A ti ____ correr y patinar.
A ti ____ correr y patinar.Answer: te fasc...
A ellos ____ los aviones.
A ellos ____ los aviones.Answer: les fasci...
A mis padres ____ caminar.
A mis padres ____ caminar.Answer: les fasc...
¿Buscaron ustedes a alguien en la playa?
¿Buscaron ustedes a alguien en la playa?Answer: No, no buscamos a nadie en la pla...
¿Te gusta alguno de estos trajes?
¿Te gusta alguno de estos trajes?Answer: No, no me gusta ninguno de estos traj...
A mí ____ bailar.
A mí ____ bailar.Answer: me fasc...
¿Quieres comer algo ahora?
¿Quieres comer algo ahora?Answer: No, No quiero comer nada ah...
¿Le prestaste algunos discos de jazz a César?
¿Le prestaste algunos discos de jazz a César?Answer: No, no le presté ningún disco de jazz a Cés...
¿Podemos ir a la playa o nadar en la piscina?
¿Podemos ir a la playa o nadar en la piscina?Answer: No, no podemos ir a la playa ni nadar en la pisci...
¿Encontraste algún cinturón barato en la tienda?
¿Encontraste algún cinturón barato en la tienda?Answer: No, no encontré ningún cinturón barato en la tien...
AMALIA Te voy a traer algún programa de computadora.
AMALIA Te voy a traer algún programa de computadora.Answer: TÚ No me vas a traer ningún programa de computado...
AMALIA Mi hermano prepara algo de comer.
AMALIA Mi hermano prepara algo de comer.Answer: TÚ Tu hermano no prepara nada de com...
AMALIA Quiero tomar algo en el café de la librería.
AMALIA Quiero tomar algo en el café de la librería.Answer: TÚ No quieres tomar nada en el café de la librer...
¿Tienes alguna falda?
¿Tienes alguna falda?Answer: No, No tengo ninguna fa...
¿Sales siempre los fines de semana?
¿Sales siempre los fines de semana?Answer: No, no salgo nunca los fines de sem...
AMALIA Siempre me cepillo los dientes antes de salir.
AMALIA Siempre me cepillo los dientes antes de salir.Answer: TÚ Nunca te cepillas los dientes antes de sal...
AMALIA Las dependientas venden algunas blusas.
AMALIA Las dependientas venden algunas blusas.Answer: TÚ Las dependientas no venden ninguna blu...
AMALIA Alguien va de compras al centro comercial.
AMALIA Alguien va de compras al centro comercial.Answer: TÚ Nadie va de compras al centro comerci...
No tengo hambre.
No tengo hambre.Answer: No quiero comer na...
A mí no me gusta la playa.
A mí no me gusta la playa.Answer: No quiero ir a la playa nun...
Soy muy tímido.
Soy muy tímido.Answer: No hablo con nadie nun...
No me gusta el color rojo, ___ el color rosado ______.
No me gusta el color rojo, ___ el color rosado ______.1. ni2. tamp...
¿Viene ____ a la fiesta de mañana?
¿Viene ____ a la fiesta de mañana?Answer: algu...
No voy a ____ estadio nunca.
No voy a ____ estadio nunca.Answer: nin...
¿Te gusta ____ de estas corbatas?
¿Te gusta ____ de estas corbatas?Answer: alg...
Jorge, tú no eres el único. Yo ____ puedo ir de vacaciones.
Jorge, tú no eres el único. Yo ____ puedo ir de vacaciones.Answer: tamp...
No me gustan estas gafas.
No me gustan estas gafas.Answer: No quiero comprar ninguna de ell...
Estoy muy cansado.
Estoy muy cansado.Answer: No quiero ir a ningún restauran...
A ella generalmente le _______ los partidos. (aburrir)
A ella generalmente le _______ los partidos. (aburrir)Answer: abur...
Pero cuando al equipo argentino le _______ un gol para ganar, le ________ los minutos finales del partido. (aburrir) (encantar)
Pero cuando al equipo argentino le _______ un gol para ganar, le ________ los minutos finales del partido. (aburrir) (encantar)Answer: falta, en...
No tengo ganas de ir a ____ lugar hoy.
No tengo ganas de ir a ____ lugar hoy.Answer: nin...
¿Tienes ____ ideas para mejorar (to improve) la econoomía?
¿Tienes ____ ideas para mejorar (to improve) la econoomía?Answer: algu...
A mi familia le ______ el fútbol. (fascinar)
A mi familia le ______ el fútbol. (fascinar)Answer: fasc...
A mis hermanas les _______ los jugadores porque son muy guapos. (encantar)
A mis hermanas les _______ los jugadores porque son muy guapos. (encantar)Answer: encan...
También les _______ la emoción de los partidos. (gustar)
También les _______ la emoción de los partidos. (gustar)Answer: gu...
A mi papá le _________ mucho los partidos y, cuando puede, los ve por Internet. (interesar)
A mi papá le _________ mucho los partidos y, cuando puede, los ve por Internet. (interesar)Answer: intere...
A mi mamá le ________ nuestra afición porque no hacemos las tareas de la casa cuando hay partidos. (molestar)
A mi mamá le ________ nuestra afición porque no hacemos las tareas de la casa cuando hay partidos. (molestar)Answer: mole...
Yo _____ la primera en despertarse y ver la cuidad de Cuzco.
Yo _____ la primera en despertarse y ver la cuidad de Cuzco.Answer: ...
Aquella mañana, el paisaje _____ impresionante.
Aquella mañana, el paisaje _____ impresionante.Answer: ...
Luego, Clara y _______ de excursión a Machu Picchu.
Luego, Clara y _______ de excursión a Machu Picchu.Answer: fui...
El cuarto día nos levantamos muy temprano y _______ a la cuidad inca.
El cuarto día nos levantamos muy temprano y _______ a la cuidad inca.Answer: fui...
El amanecer sobre Machu Picchu ________ hermoso.
El amanecer sobre Machu Picchu ________ hermoso.Answer: ...
La excursión una ________ experiencia inolvidable (unforgettable.)
La excursión una ________ experiencia inolvidable (unforgettable.)Answer: ¿________ tú a Perú el año pasa...
El vuelo (flight) _______ un miércoles por la mañana y ______ cómodo.
El vuelo (flight) _______ un miércoles por la mañana y ______ cómodo.Answer: fue, ...
Primero, Clara y yo ______ a Lima y _______ a comer a un restaurante de comida peruana.
Primero, Clara y yo ______ a Lima y _______ a comer a un restaurante de comida peruana.Answer: fuimos, fui...
La comida _____ muy buena.
La comida _____ muy buena.Answer: ...
Luego ________ ar hotel y nos _______ a dormir.
Luego ________ ar hotel y nos _______ a dormir.Answer: fuimos, fui...
El jueves _______ un día nublado.
El jueves _______ un día nublado.Answer: ...
Nos _____ a Cuzco, y el viaje en autobús ______ largo.
Nos _____ a Cuzco, y el viaje en autobús ______ largo.Answer: fuimos, ...
Los vendedores _______ al almacén muy temprano. (ir)
Los vendedores _______ al almacén muy temprano. (ir)Answer: fue...
Lima _____ la primera parada (stop) de nuestro viaje. (ser)
Lima _____ la primera parada (stop) de nuestro viaje. (ser)Answer: ...
(yo) _____ a buscarte a la cafetería, pero no te encontré. (ir)
(yo) _____ a buscarte a la cafetería, pero no te encontré. (ir)Answer: ...
Mi compañera de cuarto _____ a la tienda a comprar champú. (ir)
Mi compañera de cuarto _____ a la tienda a comprar champú. (ir)Answer: ...
El mes pasado mi amiga Clara y yo ______ de vacaciones a Perú.
El mes pasado mi amiga Clara y yo ______ de vacaciones a Perú.Answer: fui...
La película del sábado por la tarde _____ muy bonita (ser)
La película del sábado por la tarde _____ muy bonita (ser)Answer: ...
El fin de semana pasado (nosotros) ______ al centro comercial. (ir)
El fin de semana pasado (nosotros) ______ al centro comercial. (ir)Answer: fui...
La abuela y la tía de Maricarmen ______ doctoras. (ser)
La abuela y la tía de Maricarmen ______ doctoras. (ser)Answer: fue...
(Nosotros) ________ muy simpáticos con la familia de Claribel. (ser)
(Nosotros) ________ muy simpáticos con la familia de Claribel. (ser)Answer: Fui...
Manuel ______ a la universidad en septiembre. (ir)
Manuel ______ a la universidad en septiembre. (ir)Answer: fue...
El cuarto día nos levantamos muy temprano y ____ a la ciudad inca.
El cuarto día nos levantamos muy temprano y ____ a la ciudad inca.Answer: fuimos,...
El amanecer sobre Machu Picchu ____ hermoso.
El amanecer sobre Machu Picchu ____ hermoso.Answer: fue, ...
La excursión ____ una experiencia inolvidable.
La excursión ____ una experiencia inolvidable.Answer: fue, ...
¿____ tú a Perú el año pasado?
¿____ tú a Perú el año pasado?Answer: Fuiste,...
Ayer Maria y Javier ________ a la playa con sus amigos. (ir)
Ayer Maria y Javier ________ a la playa con sus amigos. (ir)Answer: fue...
Luego, Clara y yo ____ de excursión a Machu Picchu.
Luego, Clara y yo ____ de excursión a Machu Picchu.Answer: fuimos,...
Yo ____ la primera en despertarse y ver la ciudad de Cuzco.
Yo ____ la primera en despertarse y ver la ciudad de Cuzco.Answer: fui, ...
Aquella mañana, el paisaje ____ impresionante.
Aquella mañana, el paisaje ____ impresionante.Answer: fue, ...
El jueves ____ un día nublado.
El jueves ____ un día nublado.Answer: fue, ...
Nos ____ a Cuzco, y el viaje en autobús ____ largo.
Nos ____ a Cuzco, y el viaje en autobús ____ largo.Answer:fuimos, irfue, ...
Luego ____ al hotel y nos ____ a dormir.
Luego ____ al hotel y nos ____ a dormir.Answer: fuimos,...
Los estudiantes (levantar/levantarse) la mano y hacen preguntas.
Los estudiantes (levantar/levantarse) la mano y hacen preguntas.Answer: Levan...
El mes pasado mi amiga Clara y yo ____ de vacaciones a Perú.
El mes pasado mi amiga Clara y yo ____ de vacaciones a Perú.Answer: fuimos,...
El vuelo ____ un miércoles por la mañana y ____ cómodo.
El vuelo ____ un miércoles por la mañana y ____ cómodo.Answer: fue, ...
Primero, Clara y yo ____ a Lima y ____ a comer a un restaurante de comida peruana.
Primero, Clara y yo ____ a Lima y ____ a comer a un restaurante de comida peruana.Answer: fuimos,...
La comida ____ muy buena.
La comida ____ muy buena.Answer: fue, ...
Nosotros (poner/ponerse) la toalla al lado de la ducha.
Nosotros (poner/ponerse) la toalla al lado de la ducha.Answer: Pone...
Los estudiantes (levantar/levantarse) muy temprano.
Los estudiantes (levantar/levantarse) muy temprano.Answer: Se Levan...
Yo (peinar/peinarse) a mi hermana todas las mañanas.
Yo (peinar/peinarse) a mi hermana todas las mañanas.Answer: Pe...
Nosotros (poner/ponerse) nerviosos antes de un examen.
Nosotros (poner/ponerse) nerviosos antes de un examen.Answer: Nos Pone...
Yo (peinar/peinarse) en el baño, delante del espejo.
Yo (peinar/peinarse) en el baño, delante del espejo.Answer: Me Pe...
Mi hermano (CEPILLARSE) los dientes cuando (LEVANTARSE).
Mi hermano (CEPILLARSE) los dientes cuando (LEVANTARSE).1. Se Cepilla2. Se Leva...
Mis amigas y yo (QUEDARSE) estudiando en la biblioteca por la noche y por la mañana (LEVANTARSE) muy cansada.
Mis amigas y yo (QUEDARSE) estudiando en la biblioteca por la noche y por la mañana (LEVANTARSE) muy cansada.1. Nos Quedamos2. Me Leva...
Muchas noches (DORMIRSE) delante del televisor, porque no quiero (ACOSTARSE).
Muchas noches (DORMIRSE) delante del televisor, porque no quiero (ACOSTARSE).1. Me Duermo2. Acosta...
Josefina (lavar/lavarse) las manos en el lavabo.
Josefina (lavar/lavarse) las manos en el lavabo.1. Se l...
Josefina (lavar/lavarse) la ropa en casa de su madre.
Josefina (lavar/lavarse) la ropa en casa de su madre.Answer: L...
¿Se maquilla Julia antes de salir a bailar?
¿Se maquilla Julia antes de salir a bailar?Answer: Sí, Julia se maquilla antes de salir a bail...
¿Se duchan ustedes antes de nadar en la piscina?
¿Se duchan ustedes antes de nadar en la piscina?Answer: Sí, nos duchamos antes de nadar en la pisci...
¿Se ponen sombreros los turistas cuando van a la playa?
¿Se ponen sombreros los turistas cuando van a la playa?Answer: Sí, los turistas se ponen sombreros cuando van a la pla...
¿Nos ponemos las pantuflas cuando llegamos a casa?
¿Nos ponemos las pantuflas cuando llegamos a casa?Answer: Sí, se ponen las pantuflas cuando llegan a ca...
Mi mamá (ENOJARSE) porque no queremos (LEVANTARSE) temprano.
Mi mamá (ENOJARSE) porque no queremos (LEVANTARSE) temprano.1. Se Enoja2. Levantar...
La profesora (ENOJARSE) con nosotros cuando no (ACORDARSE) de los verbos
La profesora (ENOJARSE) con nosotros cuando no (ACORDARSE) de los verbos1. Se Enoja2. Now Acorda...
Los jugadores ____ (secarse) con toallas nuevas.
Los jugadores ____ (secarse) con toallas nuevas.Answer: se se...
(tú) ____ (preocuparse) por tu novio porque siempre pierde las cosas.
(tú) ____ (preocuparse) por tu novio porque siempre pierde las cosas.Answer: te preocu...
Usted ____ (lavarse) la cara con un jabón especial.
Usted ____ (lavarse) la cara con un jabón especial.Answer: se l...
Mi mamá ____ (ponerse) muy contenta cuando llego temprano a casa.
Mi mamá ____ (ponerse) muy contenta cuando llego temprano a casa.Answer: se p...
¿Te cepillaste los dientes después de comer?
¿Te cepillaste los dientes después de comer?Answer: Sí, me cepillé los dientes después de com...
Marcos y Gustavo ____ (enojarse) con Javier.
Marcos y Gustavo ____ (enojarse) con Javier.Answer: se eno...
Mariela ____ (despedirse) de su amiga en la estación de tren.
Mariela ____ (despedirse) de su amiga en la estación de tren.Answer: se desp...
(yo) ____ (acostarse) temprano porque tengo clase por la mañana.
(yo) ____ (acostarse) temprano porque tengo clase por la mañana.Answer: Me acue...
Ellos (despertar/despertarse) para ir a trabajar.
Ellos (despertar/despertarse) para ir a trabajar.Answer: se despier...
Ella (poner/ponerse) enojada rápidamente.
Ella (poner/ponerse) enojada rápidamente.Answer: se p...
Ellas (probar/probarse) la tortilla, pero no les gusta.
Ellas (probar/probarse) la tortilla, pero no les gusta.Answer: prue...
Nosotros (poner/ponerse) la ropa antes de ir a la escuela.
Nosotros (poner/ponerse) la ropa antes de ir a la escuela.Answer: nos pone...
Me gusta (probar/probarse) comida extranjera.
Me gusta (probar/probarse) comida extranjera.Answer: pro...
Yo (poner/ponerse) la mochila.
Yo (poner/ponerse) la mochila.Answer: me po...
Nosotros (lavar/lavarse) los platos.
Nosotros (lavar/lavarse) los platos.Answer: lava...
Tú (levantar/levantarse) muy temprano.
Tú (levantar/levantarse) muy temprano.Answer: te levan...
Nosotros (quitar/quitarse) los libros del escritorio.
Nosotros (quitar/quitarse) los libros del escritorio.Answer: quita...
Ella va a (probar/probarse) la chaqueta amarilla.
Ella va a (probar/probarse) la chaqueta amarilla.Answer: proba...
Yo tengo que (lavar/lavarse) el carro.
Yo tengo que (lavar/lavarse) el carro.Answer: la...
Él (levantar/levantarse) de una silla.
Él (levantar/levantarse) de una silla.Answer: se leva...
Yo (quitar/quitarme) los zapatos.
Yo (quitar/quitarme) los zapatos.Answer: me qu...
Tú (despertar/despertarse) a las seis de la mañana.
Tú (despertar/despertarse) a las seis de la mañana.Answer: te despier...
Mi esposo siempre (despertar/despertarse) a los niños antes de ir al trabajo.
Mi esposo siempre (despertar/despertarse) a los niños antes de ir al trabajo.Answer: despie...
Ella tiene que (despertar/despertarse) a su hermano.
Ella tiene que (despertar/despertarse) a su hermano.Answer: desper...
Yo tengo que (poner/ponerse) los libros en mi carro.
Yo tengo que (poner/ponerse) los libros en mi carro.Answer: po...
Yo (lavar/lavarse) las manos después de trabajar.
Yo (lavar/lavarse) las manos después de trabajar.Answer: me l...
Ellos (levantar/levantarse) los libros.
Ellos (levantar/levantarse) los libros.Answer: levan...
Él (quitar/quitarse) los platos de la mesa.
Él (quitar/quitarse) los platos de la mesa.Answer: qu...
Julia y Ana (poner/ponerse) los vestidos nuevos.
Julia y Ana (poner/ponerse) los vestidos nuevos.Answer: se po...
Usted (ir/irse) a llegar antes que los demás invitados, ¿no?
Usted (ir/irse) a llegar antes que los demás invitados, ¿no?Answer: ...
Mi madre (maquillar/maquillarse) a mi hermana antes de su boda.
Mi madre (maquillar/maquillarse) a mi hermana antes de su boda.Answer: maqui...
En general, (afeitar/afeitarse) yo mismo, pero hoy es un día especial y el barbero me (afeitar/afeitarse).
En general, (afeitar/afeitarse) yo mismo, pero hoy es un día especial y el barbero me (afeitar/afeitarse).Answer: me afeito, afe...
Roberto y yo (levantar/levantarse) a las 7:00.
Roberto y yo (levantar/levantarse) a las 7:00.Answer: nos levanta...
Tú (lavar/lavarse) el auto antes de ir a la fiesta.
Tú (lavar/lavarse) el auto antes de ir a la fiesta.Answer: la...
Nosotros (bañar/bañarse) antes de ir a la fiesta.
Nosotros (bañar/bañarse) antes de ir a la fiesta.Answer: nos baña...
Para llegar a tiempo, Raúl y Marta (acostar/acostarse) a los niños antes de salir.
Para llegar a tiempo, Raúl y Marta (acostar/acostarse) a los niños antes de salir.Answer: acues...
Cecilia (maquillar/maquillarse) antes de salir.
Cecilia (maquillar/maquillarse) antes de salir.Answer: se maqui...
Mis amigos siempre (vestir/vestirse) con ropa muy elegante.
Mis amigos siempre (vestir/vestirse) con ropa muy elegante.Answer: se vis...
Miguel y Maru están muy cansados.
Miguel y Maru están muy cansados.Answer: Miguel y Maru están cansadísim...
Felipe es muy joven
Felipe es muy jovenAnswer: Felipe es jovencísi...
Jimena es muy inteligente
Jimena es muy inteligenteAnswer: Jimena es inteligentísi...
Which of the following is true regarding industry-sponsored research?
Which of the following is true regarding industry-sponsored research?Answer: Industry sponsors of research may seek to place restrictions on the...
Define a function called min that takes two parameters containing integer values and returns the smaller integer of the two. If they have equal value, return either one.
Define a function called min that takes two parameters containing integer values and returns the smaller integer of the two. If they have equal value,...
Write a statement that calls add to compute the sum of euro_sales and asia_sales and that associates this value with a variable named eurasia_sales.
Given that add, a function that expects two int parameters and returns their sum, and given that two variables , euro_sales and asia_sales, have already...
Write a statement that calls to_the_power_of to compute the value of cube_side raised to the power of 3 and that associates this value with cube_volume.
Assume that to_the_power_of is a function that expects two int parameters and returns the value of the first parameter raised to the power of the second...
Write a function min that has three str parameters and returns the smallest. (Smallest in the sense of coming first alphabetically, not in the sense of "shortest".)
Write a function min that has three str parameters and returns the smallest. (Smallest in the sense of coming first alphabetically, not in the sense of...
Define a function called signOf that takes a parameter containing an integer value and returns a 1 if the parameter is positive, 0 if the parameter is 0, and -1 if the parameter is negative.
Define a function called signOf that takes a parameter containing an integer value and returns a 1 if the parameter is positive, 0 if the parameter is...
Define a function called isPositive that takes a parameter containing an integer value and returns True if the paramter is positive or False if the parameter is negative or 0.
Define a function called isPositive that takes a parameter containing an integer value and returns True if the paramter is positive or False if the parameter...
Define a function called isSenior that takes a parameter containing an integer value and returns True if the parameter is greater than or equal to 65, and False otherwise.
Define a function called isSenior that takes a parameter containing an integer value and returns True if the parameter is greater than or equal to 65,...
Define a function called isEven that takes a parameter containing an integer value and returns True if the parameter is even, and False otherwise.
Define a function called isEven that takes a parameter containing an integer value and returns True if the parameter is even, and False otherwise.def...
Write the definition of a function powerTo which recieves two parameters, a double and an integer. If the second parameter is positive, the function returns the value of the first parameter raised to the power of the second. Otherwise, the function returns 0.
[Functions >> functions and if statements] Write the definition of a function powerTo which recieves two parameters, a double and an integer. If...
Define a function called hasRealSolution that takes three parameters containing integer values: a, b, and c. If "b squared" minus 4ac is negative, the function returns False otherwise, it returns True.
Define a function called hasRealSolution that takes three parameters containing integer values: a, b, and c. If "b squared" minus 4ac is negative, the...
Write the definition of a function absoluteValue that recieves a parameter containing an integer value and returns the absolute value of that parameter.
Write the definition of a function absoluteValue that recieves a parameter containing an integer value and returns the absolute value of that parameter.def...
Write the definition of a function power_to, which receives two parameters. The first is a double and the second is an int. The function returns a double.
Write the definition of a function power_to, which receives two parameters. The first is a double and the second is an int. The function returns a double.If...
Write the definition of a function add which recieves two parameters containing integer values and returns their sum.
Write the definition of a function add which recieves two parameters containing integer values and returns their sum.def add(int1,int2):result=int1+int2return...
Write the definition of a function oneMore which recieves a parameter containing an integer value and returns an integer that is one more than the value of the parameter.
Write the definition of a function oneMore which recieves a parameter containing an integer value and returns an integer that is one more than the value...
Write the definition of a function oneLess which recieves a parameter containing an integer value and returns an integer whose value is one less than the value of the parameter.
Write the definition of a function oneLess which recieves a parameter containing an integer value and returns an integer whose value is one less than...
Write the definition of a function typing_speed, that receives two parameters. The first is the number of words that a person has typed (an int greater than or equal to zero) in a particular time interval. The second is the length of the time interval in seconds (an int greater than zero). The function returns the typing speed of that person in words per minute (a float).
Write the definition of a function typing_speed, that receives two parameters. The first is the number of words that a person has typed (an int greater...
Write the definition of a function max that has three int parameters and returns the largest.
Write the definition of a function max that has three int parameters and returns the largest.Answer:def max(x,y,z):if (x>z and x>y):return (x)elif...
Write the definition of a function twice, that receives an int parameter and returns an int that is twice the value of the parameter.
Write the definition of a function twice, that receives an int parameter and returns an int that is twice the value of the parameter.Answer:def twice(int):return...
Write the definition of a function add, that receives two int parameters and returns their sum.
Write the definition of a function add, that receives two int parameters and returns their sum.Answer:def add(int1,int2):return int1+i...
Write the definition of a function square which receives a parameter containing an integer value and returns the square of the value of the parameter.
Write the definition of a function square which receives a parameter containing an integer value and returns the square of the value of the parameter.Answer:def...
Though you add heat, the temperature of boiling water remains constant because
Though you add heat, the temperature of boiling water remains constant becauseAnswer: it takes energy to break hydrogen bon...
Which statement helps to explain why ice is less dense than liquid water?
Which statement helps to explain why ice is less dense than liquid water?Answer:Water molecules make hydrogen bonds at definite angles.Cold molecules...
Why doesn't oil mix with water?
Why doesn't oil mix with water?Answer: Polar molecules attract one anoth...
The type of bonding and the numbers of covalent bonds an atom can form with other atoms is determined by _____.
The type of bonding and the numbers of covalent bonds an atom can form with other atoms is determined by _____.Answer: the number of unpaired electrons...
What type of bond joins the carbon atom to each of the hydrogen atoms?
What type of bond joins the carbon atom to each of the hydrogen atoms?Answer: single (nonpolar) coval...
Water is a source of ______________ for chemical reactions in cells.
Water is a source of ______________ for chemical reactions in cells.Answer: hydrogen atoms and oxygen at...
Which statement is true of water's tensile strength?
Which statement is true of water's tensile strength?It results from hydrogen bonding.It helps to pull water through plants.It involves both cohesion and...
Water has surface tension because
Water has surface tension becauseAnswer: hydrogen bonds between surface water molecules resist being stretch...
Which of the following best explains why water has a high specific heat?
Which of the following best explains why water has a high specific heat?Answer: A water molecule can make 4 hydrogen bon...
Which property of water molecules allows an animal to cool itself by sweating?
Which property of water molecules allows an animal to cool itself by sweating?Answer:Molecules collide with varied angles and speeds.Hydrogen bonds are...
An uncharged atom of boron has an atomic number of 5 and an atomic mass of 11. How many protons does boron have?
An uncharged atom of boron has an atomic number of 5 and an atomic mass of 11. How many protons does boron have?Answer:&nbs...
Which of the following bonds can form between atoms of equal electronegativity?
Which of the following bonds can form between atoms of equal electronegativity?Answer: Van der Waals interactions can form between atoms of equal...
The atomic number of sulfur is 16. Sulfur combines with hydrogen by covalent bonding to form a compound, hydrogen sulfide. Based on the number of valence electrons in a sulfur atom, predict the molecular formula of the compound.
The atomic number of sulfur is 16. Sulfur combines with hydrogen by covalent bonding to form a compound, hydrogen sulfide. Based on the number of valence...
Which statement about weak bonds is correct?
Which statement about weak bonds is correct?Answer: Weak bonds are transient and easily reversib...
A carbon atom and a hydrogen atom form what type of bond in a molecule?
A carbon atom and a hydrogen atom form what type of bond in a molecule?Answer: nonpolar covalent b...
The reactivity of an atom arises from
The reactivity of an atom arises fromAnswer: the existence of unpaired electrons in the valence she...
An ionic bond is formed when _____.
An ionic bond is formed when _____.Answer: one atom transfers an electron to another a...
Which property of water allows dogs to cool themselves by panting?
Which property of water allows dogs to cool themselves by panting?Answer: water's high heat of vaporizat...
What is the atomic number of an atom that has 6 protons, 6 neutrons, and 6 electrons?
What is the atomic number of an atom that has 6 protons, 6 neutrons, and 6 electrons?Answer:&nbs...
Which of these refers to atoms with the same atomic number but different atomic masses?
Which of these refers to atoms with the same atomic number but different atomic masses?Answer: These atoms are isotop...
Fluorine's atomic number is 9 and its atomic mass is 19. How many neutrons does fluorine have?
Fluorine's atomic number is 9 and its atomic mass is 19. How many neutrons does fluorine have?Answer: ...
What determines the types of chemical reactions that an atom participates in?
What determines the types of chemical reactions that an atom participates in?Answer: the number of electrons in the outermost electron sh...
What is the mass number of an ion with 109 electrons, 158 neutrons, and a +1 charge?
What is the mass number of an ion with 109 electrons, 158 neutrons, and a +1 charge?Answer: ...
What does the term electron orbital describe?
What does the term electron orbital describe?Answer: An electron orbital describes a three-dimensional space where an electron can be found 90% of...
What name is given to the bond between water molecules?
What name is given to the bond between water molecules?Answer: hydro...
Which statement is true of all atoms that are anions?
Which statement is true of all atoms that are anions?Answer: The atom has more electrons than proto...
What type of bond is joining the two hydrogen atoms?
What type of bond is joining the two hydrogen atoms?Answer: coval...
This atom can form up to _____ single covalent bond(s). (only 4 electrons on outer shell)
This atom can form up to _____ single covalent bond(s). (only 4 electrons on outer shell)Answer:&nbs...
A(n) _____ bond joins these two oxygen atoms. (shares 4 electrons)
A(n) _____ bond joins these two oxygen atoms. (shares 4 electrons)Answer: double coval...
The innermost electron shell of an atom can hold up to _____ electrons.
The innermost electron shell of an atom can hold up to _____ electrons.Answer:&nbs...
Which of these relationships is true of an uncharged atom?
Which of these relationships is true of an uncharged atom?Answer: The number of protons is equal to the number of electro...
An ionic bond involves _____.
An ionic bond involves _____.Answer: an attraction between ions of opposite cha...
Hydrogen bonding is most often seen _____.
Hydrogen bonding is most often seen _____.Answer: when hydrogen is covalently bonded to an electronegative a...
In salt, what is the nature of the bond between sodium and chlorine?
In salt, what is the nature of the bond between sodium and chlorine?Answer: io...
What is the result of the animated process? (Sodium giving an electron to Chlorine)
What is the result of the animated process? (Sodium giving an electron to Chlorine)Answer: a positively charged sodium ion and a negatively charged...
Atoms with the same number of protons but with different electrical charges
Atoms with the same number of protons but with different electrical chargesAnswer: are different i...
Formation of urine involves filtration, reabsorption and secretion, all of which are done by the bladder.
Formation of urine involves filtration, reabsorption and secretion, all of which are done by the bladder.Answer: false:Urine formation by filtration,...
The distal tubules deliver urine to the renal pelvis.
The distal tubules deliver urine to the renal pelvis.Answer: fa...
Protein is typically part of the glomerular filtrate.
Protein is typically part of the glomerular filtrate.Answer: fa...
High blood pressure in the glomerulus contributes to the formation of the glomerular filtrate.
High blood pressure in the glomerulus contributes to the formation of the glomerular filtrate.Answer: t...
A diuretic is any substance that increases the formation and excretion of urine.
A diuretic is any substance that increases the formation and excretion of urine.Answer: t...
Which blood vessel delivers blood directly to the glomerulus for filtration?
Which blood vessel delivers blood directly to the glomerulus for filtration?Answer: afferent arteri...
The descending limb of the loop of Henle ________.
The descending limb of the loop of Henle ________.Answer: is highly permeable to wa...
The major nitrogenous waste product in urine is ________.
The major nitrogenous waste product in urine is ________.Answer: u...
Which of the following correctly traces the path of urine as it is formed within the kidneys?
Which of the following correctly traces the path of urine as it is formed within the kidneys?Answer: glomerulus → nephron → collecting duct → renal...
All of the following processes contribute to the formation of urine EXCEPT ________.
All of the following processes contribute to the formation of urine EXCEPT ________.Answer: vitamin D activat...
Which of the following is NOT a normal component of the glomerular filtrate that enters Bowman's capsule?
Which of the following is NOT a normal component of the glomerular filtrate that enters Bowman's capsule?Answer: red blood ce...
As filtrate moves down the loop of Henle, the surrounding interstitial fluid becomes _____ concentrated than the filtrate, so _____ leaves the filtrate.
As filtrate moves down the loop of Henle, the surrounding interstitial fluid becomes _____ concentrated than the filtrate, so _____ leaves the filtrate.Answer: more...
The most abundant solute in urine is _____.
The most abundant solute in urine is _____.Answer: urea (and other nitrogenous was...
Glucose is removed from filtrate by _____.
Glucose is removed from filtrate by _____.Answer: active transp...
Under the influence of antidiuretic hormone (ADH), _____ is produced.
Under the influence of antidiuretic hormone (ADH), _____ is produced.Answer: more concentrated ur...
Antidiuretic hormone (ADH) makes the _____ permeable to water.
Antidiuretic hormone (ADH) makes the _____ permeable to water.Answer: collecting d...
The _____ are the major blood vessels transporting blood to the kidneys.
The _____ are the major blood vessels transporting blood to the kidneys.Answer: renal arter...
The outer part of the kidney is the _____.
The outer part of the kidney is the _____.Answer: cor...
Which of these is the functional unit of a kidney?
Which of these is the functional unit of a kidney?Answer: neph...
The movement of substances out of the glomerulus and into Bowman's capsule is referred to as _____.
The movement of substances out of the glomerulus and into Bowman's capsule is referred to as _____.Answer: filtrat...
The movement of substances from the blood into the proximal tubule is known as _____.
The movement of substances from the blood into the proximal tubule is known as _____.Answer: secret...
Urine formed by a kidney collects in the _____ before being drained from the kidney by the _____ and transported to the _____.
Urine formed by a kidney collects in the _____ before being drained from the kidney by the _____ and transported to the _____.Answer: renal pelvis...
A function of cholesterol that does not harm health is its role _____.
A function of cholesterol that does not harm health is its role _____.(a) The most abundant male sex hormone(b) As the primary female sex hormone(c) In...
What was the main selective pressure behind the evolution of different Anolis lizard species in the Caribbean?
What was the main selective pressure behind the evolution of different Anolis lizard species in the Caribbean?Answer: Specific ecological niches(Why:...
True or false? The evolution of different ecomorphs on the Caribbean islands is an example of stabilizing selection.
True or false? The evolution of different ecomorphs on the Caribbean islands is an example of stabilizing selection.Answer: False(Why: The evolution...
True or false? Convergent evolution is said to have occurred if the mouse species on two islands with similar habitats are found to have similar characteristics even though they originated from different species.
True or false? Convergent evolution is said to have occurred if the mouse species on two islands with similar habitats are found to have similar characteristics...
Which Anolis lizard ecomorph has long legs?
Which Anolis lizard ecomorph has long legs?Answer: Trunk/ground(Why: these ecomorphs need long legs to jump from one broad perch to anothe...
Which of the following statements about the evolution of Anolis lizards in the Caribbean islands is true?
Which of the following statements about the evolution of Anolis lizards in the Caribbean islands is true?Answer: The phylogeny of ecomorphs on a...
Which of the following statements about adaptive radiation is correct?
Which of the following statements about adaptive radiation is correct?Answer: Adaptive radiation occurs within a single linea...
Which organisms are not examples of an adaptive radiation?
Which organisms are not examples of an adaptive radiation?Answer: Mammals and reptiles in the post-dinosaur ...
How long ago do scientists believe life first began on Earth?
How long ago do scientists believe life first began on Earth?Answer: 3.7 billion ye...
What process produces Earth's atmospheric oxygen?
What process produces Earth's atmospheric oxygen?Answer: photosynthe...
What evidence points to the date of the appearance of the first oxygen-producing organisms?
What evidence points to the date of the appearance of the first oxygen-producing organisms?Answer: iron oxides in r...
Which of the following best describes the archaeans described in the video?
Which of the following best describes the archaeans described in the video?Answer: They live in extreme habita...
The red sedimentary rocks of Western Australia resulted from the combination of oxygen and _____.
The red sedimentary rocks of Western Australia resulted from the combination of oxygen and _____.Answer: i...
Achaeans can tolerate which of the following extreme habitats?
Achaeans can tolerate which of the following extreme habitats?Answer: near-boiling water, high pressure, very salty water, oxygen-free environme...
Animals first appeared during the _____.
Animals first appeared during the _____.Answer: Precambr...
The Cenozoic era began approximately _____ million years ago.
The Cenozoic era began approximately _____ million years ago.Answer: ...
____ were the dominant vertebrate life form during the Mesozoic era.
____ were the dominant vertebrate life form during the Mesozoic era.Answer: Dinosa...
Most modern animal phyla evolved during the _____ era.
Most modern animal phyla evolved during the _____ era.Answer: Paleoz...
Bony fish first evolved during the _____ .
Bony fish first evolved during the _____ .Answer: Paleoz...
Life arose during the _____.
Life arose during the _____.Answer: Precambr...
Flowering plants first appeared during the _____.
Flowering plants first appeared during the _____.Answer: Mesoz...
The Mesozoic era began approximately _____ million years ago.
The Mesozoic era began approximately _____ million years ago.Answer: ...
The Precambrian time began at least _____ million years ago.
The Precambrian time began at least _____ million years ago.Answer: 4,...
Seed plants first appeared during the _____.
Seed plants first appeared during the _____.Answer: Paleoz...
The first prokaryotic cells appeared during the _____.
The first prokaryotic cells appeared during the _____.Answer: Precambr...
Reptiles first appeared during the _____ era.
Reptiles first appeared during the _____ era.Answer: Paleoz...
We are living during the _____era.
We are living during the _____era.Answer: Cenoz...
Dinosaurs went extinct during the _____.
Dinosaurs went extinct during the _____.Answer: Mesoz...
_____ were the dominant vertebrate life form during the Paleozoic era.
_____ were the dominant vertebrate life form during the Paleozoic era.Answer: Amphibi...
Which of the following devices does not segment the network?
Which of the following devices does not segment the network?Answer: HubA hub does not create multiple segments on the network. A segment is a portion...
An 8-port switch receives a frame on port number 1. The frame is addressed to an unknown device. What will the switch do?
An 8-port switch receives a frame on port number 1. The frame is addressed to an unknown device. What will the switch do?Send the frame out port 2-8.Because...
Which of the following hardware devices regenerates a signal out all connected ports without examining the frame or packet contents?
Which of the following hardware devices regenerates a signal out all connected ports without examining the frame or packet contents?RepeaterHubA hub and...
How do switches and bridges learn where the devices are located on a network?
How do switches and bridges learn where the devices are located on a network?When a frame enters a port, the source MAC address is copied from the frame...
Which of the following best describes how a switch functions?
Which of the following best describes how a switch functions?Answer:It connects multiple cable segments (or devices), and forwards frames to the appropriate...
An owner of a small zoo houses a lemur, some gibbons, and two chimpanzees. What behavior or trait would zoo visitors likely see exhibited by all of these animals as well as by the zookeeper?
An owner of a small zoo houses a lemur, some gibbons, and two chimpanzees. What behavior or trait would zoo visitors likely see exhibited by all of these...
Which vertebrates lack jaws?
Which vertebrates lack jaws?Answer: Lampr...
What is a unique feature of marsupial reproduction?
What is a unique feature of marsupial reproduction?Answer: Marsupial young spend more time developing outside the mother's body than insi...
Which of the following statements about reptiles is true?
Which of the following statements about reptiles is true?Answer: Reptile skin is made watertight by a layer of scales made of kerat...
What is the name given to the group of species on the branch leading to contemporary humans?
What is the name given to the group of species on the branch leading to contemporary humans?Answer: Homin...
Which of the following statements is a component of the out-of-Africa hypothesis?
Which of the following statements is a component of the out-of-Africa hypothesis?Answer: The first Homo sapiens fossils appear in East African rocks...
Which of the following deuterostomes is most likely to be found in nature?
Which of the following deuterostomes is most likely to be found in nature?Answer: An ectotherm that has a swim bladder and protrusible jaws and carries...
Which of the following statements about tetrapod limbs is true?
Which of the following statements about tetrapod limbs is true?Answer: The expression patterns of regulatory developmental proteins have given information...
Amniotic eggs have four membranes. Which membrane is correctly matched with its function?
Amniotic eggs have four membranes. Which membrane is correctly matched with its function?Answer: The allantois contains nitrogenous was...
How do viviparity and the placenta affect mammalian reproduction?
How do viviparity and the placenta affect mammalian reproduction?Answer: Placental mammals produce small numbers of large offspri...
What organism would possess these structures: a ring of nerve cells around the mouth, a series of fluid-filled canals, and tube feet?
What organism would possess these structures: a ring of nerve cells around the mouth, a series of fluid-filled canals, and tube feet?Answer: Adult...
Which two features are possessed by all vertebrates at some point in their life?
Which two features are possessed by all vertebrates at some point in their life?Answer: Tail and cran...
Which of the following statements best represents evidence supporting the leading hypothesis regarding the evolution of jaws in vertebrates?
Which of the following statements best represents evidence supporting the leading hypothesis regarding the evolution of jaws in vertebrates?Answer: Both...
Which characteristic is common to all animals in the deuterostome lineage?
Which characteristic is common to all animals in the deuterostome lineage?Answer: All deuterostomes have a mesoderm-lined coel...
Which trait is a diagnostic feature of echinoderms?
Which trait is a diagnostic feature of echinoderms?Answer: Water vascular sys...
What defines a chordate?
What defines a chordate?Answer: Presence of a notoch...
Which of the following statements about bone found in early vertebrates is correct?
Which of the following statements about bone found in early vertebrates is correct?Answer: The bone in early vertebrates formed a protective exo...
Which structure represents a key innovation that arose during vertebrate diversification?
Which structure represents a key innovation that arose during vertebrate diversification?Answer: Amniotic ...
True or false? An organism that is radially symmetric has many well-developed head regions.
True or false? An organism that is radially symmetric has many well-developed head regions.Answer: Fa...
Which characteristic distinguishes echinoderms from the other two deuterostome lineages?
Which characteristic distinguishes echinoderms from the other two deuterostome lineages?Answer: Their body p...
Which of the following statements about vertebrates is true?
Which of the following statements about vertebrates is true?Answer: The development of an amniotic egg and internal fertilization allowed vertebrates...
Which characteristics define a chordate?
Which characteristics define a chordate?Answer: The presence of four specific morphological tra...
Which structure can be used for feeding and gas exchange?
Which structure can be used for feeding and gas exchange?Answer: Pharyngeal gill s...
Which statement about deuterostomes is correct?
Which statement about deuterostomes is correct?Answer: Deuterostomes share key features of embryonic developme...
Which of the following statements about deuterostomes is false?
Which of the following statements about deuterostomes is false?Answer: All deuterostomes exhibit radial symmetry in their bodi...
Which structure is not an innovation that occurred during vertebrate diversification?
Which structure is not an innovation that occurred during vertebrate diversification?Answer: Exoskele...
To make students more competitive in the work force and for graduate school, college professors are beginning to lower the standards for student grades. This is known as
To make students more competitive in the work force and for graduate school, college professors are beginning to lower the standards for student grades....
When Ahmed is in 5th grade, he does poorly in math and science. His teachers recommend him from lower-level classes throughout middle school in all subjects, and he's not given the chance to excel elsewhere. This process is known as
When Ahmed is in 5th grade, he does poorly in math and science. His teachers recommend him from lower-level classes throughout middle school in all subjects,...
What factors contribute to inequality within the educational system in the United States?
What factors contribute to inequality within the educational system in the United States?A. RacismB. Socioeconomic statusC. All of the aboveD. None of...
Plessy v. Ferguson
Plessy v. FergusonA. Set precedent for universal access to education in the United StatesB. Allowed racial segregation in schools and private businessesC....
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