THE MOLECULAR BASIS OF INHERITANCE
THE GENETICS OF VIRUSES AND BACTERIA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Lysogenic
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Bacterial
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Lytic
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None of the above
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Detailed explanation-1: -Answer and Explanation: HIV enters a special type of lytic cycle, although some aspects of its replication process are similar to the lysogenic cycle. It should be noted that only bacteriophages, viruses that infect bacteria, undergo the lysogenic cycle.
Detailed explanation-2: -For instance the AIDS viruses can either infect humans (or some other primates) lytically, or lay dormant (lysogenic) as part of the infected cells’ genome, keeping the ability to return to lysis at a later time.
Detailed explanation-3: -The lambda virus is an example of a lysogenic bacteriophage. The E. coli bacteria also get infected by the lambda virus. Viruses that infect animal or plant cells can have infections where they don’t produce virions for prolonged periods of time.
Detailed explanation-4: -HIV is a nontransforming retrovirus that produces a cytopathic or lytic effect on T cells, although the precise mechanisms for T-cell depletion are uncertain.
Detailed explanation-5: -HIV belongs to a class of viruses known as retroviruses.