Deck 21: Viruses

Question 1

Viral protein coats are called .

A)capsomeres
B)envelopes
C)capsids
D)cloaks

Answer 1

C

Question 2

Bacteriophage infect .

A)other viruses
B)only bacteria
C)animals
D)all cell types

Answer 2

B

Question 3

Viruses hijack host cell replication machinery to produce more viral particles.

Answer 3

True

Question 4

Plaques are the result of .

A)bacteria infecting viruses
B)viruses infecting bacteria
C)viruses lysing bacteria
D)lysogens

Question 5

The largest virus is .

A)herpesvirus
B)poxvirus
C)mimivirus
D)HIV

Question 6

The next step of viral propagation following attachment and entry is .

A)genome replication
B)assembly
C)viral protein manufacture
D)release of new virions

Question 7

All viruses are .

A)parasitic
B)saprophytic
C)enveloped
D)bacteriophages

Question 8

Enveloped viruses only infect .

A)plants
B)bacteria
C)animals
D)yeast

Question 9

Which of the following is not a viral genome arrangement?

A)double-stranded DNA
B)single-stranded DNA
C)positive single-stranded RNA
D)negative double-stranded RNA

Question 10

The early genes of viruses are transcribed by .

A)host RNA polymerase
B)viral RNA polymerase
C)DNA polymerase
D)rolling circle replication

Question 11

Which enzyme is required for RNA viruses to replicate their genomes?

A)reverse transcriptase
B)RNA replicase
C)DNA polymerase
D)host RNA polymerase