Question

In viral infections, which term describes the phase where the virus integrates into the host genome without causing immediate cell lysis?

a. Non-lytic
b. Integrative
c. Lysogenic
d. All of the above

Answer 1

The phase in viral infections where a virus integrates into the host genome without causing immediate cell lysis is known as the lysogenic cycle.

Step-by-step explanation:

In viral infections, the phase where the virus integrates into the host genome without causing immediate cell lysis is described as the lysogenic cycle. This pathway is characterized by the integration of the viral DNA into the host cell's genome. This integration results in a prophage, which can replicate along with the host's genome. Upon certain triggers, such as environmental stressors, the prophage may exit the lysogenic cycle and enter the lytic cycle, leading to the production of new virions and potential cell lysis.

It's important to note that this process differs between bacteriophages (viruses that infect bacteria) and animal viruses. Bacteriophages typically follow the lysogenic or lytic cycles, while animal viruses may establish latency, which is similar to lysogeny but not the same.

Therefore, the correct answer to the question is c. Lysogenic.