Q6 of 70 Page 57

In the given flow diagram, the replication of retrovirus in a host is shown. Observe and answer the following questions.

a. Fill in (1) and (2)


b. Why is the virus called retrovirus?


c. Can the infected cell survive while viruses are being replicated and released?



1) A. Block 1: Viral DNA is produced by reverse transcriptase.


B. Block 2: New viral RNA is produced by the infected cell.


2) RNA is the genetic material of this virus.So it produces DNA by reverse transcription. Hence, it does not follow central dogma hence,is known as retrovirus.


3) Yes, the infected cell survives while viruses are being replicated and released.


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