The cycle in which a virus integrates its genome into the host's genome without immediately destroying the host cell is called what?

The cycle in which a virus integrates its genome into the host's genome without immediately destroying the host cell is called what?

• A. Lysogenic cycle
• B. Lytic cycle
• C. Retrovirus
• D. Aerobic

Answer: (A)

This question is about a latent viral lifecycle in which the virus hides its genome inside the host’s DNA and does not kill the host right away. In the lysogenic cycle, the viral genome is integrated into the host genome and is replicated along with the host’s DNA as the cell divides. The virus remains dormant for a while, producing no new virions, so the host cell stays alive. If conditions later trigger activation, the genome can switch to the lytic cycle, where viral genes activate, new viruses are produced, and the host cell is lysed. This is distinct from the lytic cycle, where the virus immediately hijacks the cell’s machinery to make many copies and then destroys the cell. A retrovirus is a different type of virus that integrates its genome via reverse transcription, but the scenario described specifically matches lysogeny. An aerobic description would not relate to how a virus replicates.

This question is about a latent viral lifecycle in which the virus hides its genome inside the host’s DNA and does not kill the host right away. In the lysogenic cycle, the viral genome is integrated into the host genome and is replicated along with the host’s DNA as the cell divides. The virus remains dormant for a while, producing no new virions, so the host cell stays alive. If conditions later trigger activation, the genome can switch to the lytic cycle, where viral genes activate, new viruses are produced, and the host cell is lysed. This is distinct from the lytic cycle, where the virus immediately hijacks the cell’s machinery to make many copies and then destroys the cell. A retrovirus is a different type of virus that integrates its genome via reverse transcription, but the scenario described specifically matches lysogeny. An aerobic description would not relate to how a virus replicates.