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Question

The phage which does not destroy the host cell but infects it, is called


A
Cyanophage
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B
T2 phage
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C
Virulent phage
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D
Lambda phage
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Solution

The correct option is D Lambda phage
Lambda phage shows lysogenic life cycle. In a lysogenic life cycle, the virus does not cause lysis of host but integrates its genome into the host bacterial genome and continues to replicate with the host bacteria genome for many generations. Later on, the virus enters a lytic cycle and causes lysis of the host bacterium.

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