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Multiple Choice
Which of the following describes a consequence of lysogeny that could result in human disease?
A
Integration of viral DNA into the host genome, potentially leading to cancer
B
Immediate destruction of host cells through lysis
C
Production of antibodies that neutralize the virus
D
Inhibition of viral replication by the host immune system
Verified step by step guidance
1
Understand the concept of lysogeny: Lysogeny is a process where a bacteriophage integrates its DNA into the host cell's genome, becoming a prophage. This integration can be stable and does not immediately destroy the host cell.
Identify the potential consequences of lysogeny: Since the viral DNA is integrated into the host genome, it can alter the host cell's genetic material, potentially leading to changes in cell behavior.
Consider the link between viral DNA integration and cancer: The integration of viral DNA can disrupt normal cellular functions, potentially leading to uncontrolled cell division and cancer. This is a known mechanism by which some viruses can contribute to cancer development.
Evaluate the other options: Immediate destruction of host cells through lysis is not a consequence of lysogeny, as lysogeny involves integration rather than immediate lysis. Production of antibodies and inhibition of viral replication are immune responses, not direct consequences of lysogeny.
Conclude that the integration of viral DNA into the host genome, potentially leading to cancer, is the consequence of lysogeny that could result in human disease.