Preview (10 questions)
1 Question
il y a 30 secondes
Q.

What is the genetic material of a retrovirus?


DNA

RNA

Protein

Both DNA and RNA

2 Question
il y a 30 secondes
Q.

Which enzyme allows a retrovirus to convert its RNA into DNA?


DNA polymerase

Reverse transcriptase

RNA polymerase

Ligase


3 Question
il y a 30 secondes
Q.

Which treats the viral DNA as part of its own genome?


The host cell

Copies of the virus

Lentiviruses

Virions

4 Question
il y a 30 secondes
Q.

How many identical single-stranded RNA molecules does the virus contain?


3

2

1

6

5 Question
il y a 30 secondes
Q.

Which are responsible for synthesis of viral DNA?


DNA polymerase

Protease

Env gene

Membrane fusion

6 Question
il y a 30 secondes
Q.

State true or false.

The retroviral genome is packaged as viral particles.


true

false

7 Question
il y a 30 secondes
Q.

Who described the first human retrovirus?


Peyton Rous

Robert C. Gallo

Temin

Baltimore


8 Question
il y a 30 secondes
Q.

In which stage of the retroviral life cycle does integration into the host genome occur?


early phase

entry phase

reverse phase

local phase

9 Question
il y a 30 secondes
Q.

Which retrovirus causes tumor growth?


Lentiviruses

Human T-lymphotropic virus 1

Feline leukemia virus

Rous sarcoma virus and mouse mammary tumor virus

10 Question
il y a 30 secondes
Q.

What type of gene does Rous sarcoma virus contain?


Src gene

Arc gene

Lcn gene

Sac gene

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