The bacteriophage incorporates in the host genome in which phase?
Correct answer: A. Lysogenic cycle
- A. Lysogenic cycle
- B. Lytic cycle
- C. Both
- D. None of the above
Explanation
The bacteriophage incorporates in the host genome in the lysogenic cycle. In the lysogenic cycle, the bacteriophage DNA integrates into the host DNA and becomes a prophage. The prophage is then replicated along with the host DNA and is passed on to daughter cells when the host cell divides. The prophage can remain dormant in the host cell for many generations, or it can be triggered to enter the lytic cycle and produce new phages.
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About Viruses
Viruses are acellular infectious particles made of genetic material enclosed by a protein capsid, sometimes with a lipid envelope. Their replication depends on a host cell and may follow lytic or lysogenic cycles, so viral structure and reproduction differ fundamentally from those of cellular organisms such as bacteria.
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