Multiple Choice
Which is NOT a step in a lytic phage reproductive cycle?
18. Viruses, Viroids, & Prions
Bacteriophage: Lytic Phage Infections
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Which of the follow statements about the bacteriophage lytic cycle is false?
A
The lytic cycle is a productive infection which results in the host cell's death.
B
The lytic cycle results in the host cell lysing and new bacteriophages emerging.
C
In the lytic cycle the host cell's 'machinery' is used to create new viral components.
D
In the lytic cycle the viral genome is incorporated into the host's genome.
Verified step by step guidance1
Understand the lytic cycle: The lytic cycle is a process where a bacteriophage infects a bacterial cell, replicates its components, and eventually causes the host cell to burst (lyse), releasing new phage particles.
Identify the key characteristics of the lytic cycle: It involves the destruction of the host cell, production of new viral particles, and does not integrate the viral genome into the host's genome.
Analyze each statement: Compare each statement with the known characteristics of the lytic cycle.
Evaluate the false statement: The statement 'In the lytic cycle the viral genome is incorporated into the host's genome' is false because this describes the lysogenic cycle, not the lytic cycle.
Conclude: The lytic cycle does not involve the integration of the viral genome into the host's genome, which is a feature of the lysogenic cycle.
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