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In the given flow diagram, the replication of retrovirus in a host is shown. Observe and answer the following questions. Fill in (1) and (2) Why is the virus called retrovirus? - Biology

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Question

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

Fill in (1) and (2)

Why is the virus called retrovirus?

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

Diagram

Solution

(a) 

(b) The virus is called retrovirus because it does not follow the central dogma of biology (DNA → RNA → Proteins). Its genetic material is RNA that is transcribed to DNA using enzyme reverse transcriptase.

(c) Yes, the infected cell can survive, while viruses are being replicated and released.

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Chapter 8: Human Health and Diseases - SHORT ANSWER [Page 57]

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NCERT Exemplar Biology [English] Class 12
Chapter 8 Human Health and Diseases
SHORT ANSWER | Q 6. | Page 57
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