Test bank chap 9
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In Inglés
In Inglés
Practique preguntas conocidas
Manténgase al día con sus preguntas pendientes
Completa 5 preguntas para habilitar la práctica
Exámenes
Examen: pon a prueba tus habilidades
Pon a prueba tus habilidades en el modo de examen
Aprenda nuevas preguntas
Modos dinámicos
InteligenteMezcla inteligente de todos los modos
PersonalizadoUtilice la configuración para ponderar los modos dinámicos
Modo manual [beta]
Seleccione sus propios tipos de preguntas y respuestas
Modos específicos
Aprende con fichas
Completa la oración
Escuchar y deletrearOrtografía: escribe lo que escuchas
elección múltipleModo de elección múltiple
Expresión oralResponde con voz
Expresión oral y comprensión auditivaPractica la pronunciación
EscrituraModo de solo escritura
Test bank chap 9 - Marcador
Test bank chap 9 - Detalles
Niveles:
Preguntas:
59 preguntas
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Which type of viruses generally has the smallest genome? A) bacteriophage B) DNA viruses C) RNA viruses D) viroids | C) RNA viruses |
Which type of viruses can be directly used for translation? A) dsRNA B) negative ssRNA C) positive ssRNA D) retroviruses | C) positive ssRNA |
A concatemer is a A) combination of two or more repeated nucleotide sequences covalently linked together. B) complex of RNA-specific polymerases found only in bacteriophages. C) linker molecule that allows several phages to infect one host. D) polymeric protein. | A) combination of two or more repeated nucleotide sequences covalently linked together. |
Mu is a ________ virus with a ________ tail. A) ssRNA / filamentous B) dsRNA / helical C) ssDNA / filamentous D) dsDNA / helical | D) dsDNA / helical |
Reoviruses contain ________ genomes, and their replication occurs within the host's ________. A) ssDNA / nucleus B) dsDNA / nucleus C) ssRNA / cytoplasm D) dsRNA / cytoplasm | D) dsRNA / cytoplasm |
The hepadnavirus DNA polymerase acts as which of the following? A) DNA polymerase B) reverse transcriptase C) protein primer for synthesis of a strand of DNA D) DNA polymerase, reverse transcriptase, and protein primer for DNA synthesis | D) DNA polymerase, reverse transcriptase, and protein primer for DNA synthesis |
Herpesviruses can cause all of the following diseases in humans EXCEPT A) cancer. B) chicken pox. C) cold sores. D) spongiform encephalopathy. | D) spongiform encephalopathy. |
As a consequence of the immune system in humans recognizing dsRNA as foreign, A) dsRNA viruses rarely infect humans. B) dsRNA viruses quickly transcribe their genes into mRNA which is insensitive to immune responses. C) genomes of RNA viruses are often chemically modified to avoid recognition by human immune cells. D) the genomes of dsRNA viruses must avoid human immune cells during infection, including replicating their genomes within their own nucleocapsids. | D) the genomes of dsRNA viruses must avoid human immune cells during infection, including replicating their genomes within their own nucleocapsids. |
In contrast to positive ssRNA viruses such as coronaviruses and polioviruses, the genome of retroviruses A) lacks genes encoding for tRNA primers. B) must first integrate into the host's genome before transcription. C) is negative ssRNA. D) lacks ribonuclease activity. | B) must first integrate into the host's genome before transcription. |
Viruses are known to infect Bacteria, but no virus has yet been found that infects Archaea. | Answer: FALSE |