Multiple Choice
How do the lysogenic and lytic cycles differ in viral replication?
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17. Viruses
Viruses
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Which of the following events occurs during the lytic life cycle of phages?
A
The host cell bursts, releasing new phage particles
B
The phage DNA integrates into the host genome
C
The host cell undergoes binary fission
D
The phage DNA is replicated along with the host DNA
Verified step by step guidance1
Understand the lytic cycle: The lytic cycle is one of the two cycles of viral reproduction, characterized by the destruction of the host cell and the release of new viral particles.
Identify the key events in the lytic cycle: During the lytic cycle, the phage infects the host cell, takes over the cell's machinery to replicate its DNA, and produces new phage particles.
Recognize the final stage of the lytic cycle: The host cell bursts (lyses), releasing the newly formed phage particles into the environment.
Differentiate between the lytic and lysogenic cycles: In the lysogenic cycle, the phage DNA integrates into the host genome and replicates along with the host DNA, which is not a characteristic of the lytic cycle.
Eliminate incorrect options: The integration of phage DNA into the host genome and binary fission are not part of the lytic cycle, as these are associated with the lysogenic cycle and bacterial reproduction, respectively.
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