Multiple Choice
What is the lytic cycle in the context of viral replication?
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17. Viruses
Viruses
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How is the lysogenic cycle different from the lytic cycle in viruses?
A
The lysogenic cycle involves the production of viral proteins immediately, while the lytic cycle delays this process.
B
The lysogenic cycle results in the immediate destruction of the host cell, while the lytic cycle does not.
C
The lysogenic cycle integrates viral DNA into the host genome, while the lytic cycle does not.
D
The lysogenic cycle occurs only in bacteria, while the lytic cycle occurs in all types of cells.
Verified step by step guidance1
Understand the basic definitions: The lysogenic cycle and the lytic cycle are two different viral replication cycles. The lysogenic cycle involves the integration of viral DNA into the host cell's genome, whereas the lytic cycle involves the production of new viruses and the destruction of the host cell.
Identify the key difference: In the lysogenic cycle, the viral DNA becomes part of the host cell's DNA and can remain dormant for a period of time. In contrast, the lytic cycle involves the immediate replication of the virus and destruction of the host cell.
Consider the integration of viral DNA: In the lysogenic cycle, the viral DNA is integrated into the host's genome, which means it can be replicated along with the host's DNA during cell division. This integration does not occur in the lytic cycle.
Examine the outcome for the host cell: The lysogenic cycle does not immediately destroy the host cell, allowing the virus to persist in a dormant state. The lytic cycle, however, results in the lysis (destruction) of the host cell as new viral particles are released.
Clarify the types of cells affected: While the lysogenic cycle is often associated with bacteriophages (viruses that infect bacteria), the lytic cycle can occur in various types of cells, including bacterial, animal, and plant cells.
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