Multiple Choice
What is the advantage of the lytic life cycle for viruses?
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17. Viruses
Viruses
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How do the lysogenic and lytic cycles differ in viral replication?
A
The lysogenic cycle produces new viruses rapidly, while the lytic cycle is dormant.
B
The lysogenic cycle integrates viral DNA into the host genome, while the lytic cycle results in the destruction of the host cell.
C
The lysogenic cycle immediately destroys the host cell, while the lytic cycle integrates viral DNA into the host genome.
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 methods of viral replication. The lysogenic cycle involves the integration of viral DNA into the host cell's genome, whereas the lytic cycle leads to the production of new viruses and the destruction of the host cell.
Examine the lysogenic cycle: In this cycle, the viral DNA is incorporated into the host cell's DNA and can remain dormant for a period of time. The virus does not immediately destroy the host cell, allowing the viral DNA to be replicated along with the host's DNA during cell division.
Explore the lytic cycle: This cycle is characterized by the active replication of the virus, leading to the production of new viral particles. The host cell is eventually destroyed as the new viruses burst out, a process known as lysis.
Compare the cycles: The key difference is that the lysogenic cycle involves integration and dormancy, while the lytic cycle involves active replication and destruction of the host cell. The lysogenic cycle allows the virus to persist in the host without causing immediate harm, whereas the lytic cycle results in rapid virus production and cell death.
Clarify misconceptions: The lysogenic cycle does not produce new viruses rapidly; it is the lytic cycle that does. The lysogenic cycle is not limited to bacteria; it can occur in various types of cells, similar to the lytic cycle.
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