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Central Dogma

Virus that ha...

Question

Virus that has reserve transcriptase enzyme

A

Corona virus

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B

Retrovirus

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C

Tonga virus

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D

All of these

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Solution

The correct option is B Retrovirus
The virus that has reserve transcriptase enzyme is the retrovirus. It has a single stranded RNA with a protein coating. After entry into the host cell, the single stranded RNA is changed into double-stranded DNA by a virally encoded reverse transcriptase. With the help of integrase, the viral DNA gets incorporated into the cellular DNA and starts replicating. For example, HIV virus.
So, the correct answer is option B.

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