What is created when the lytic cycle concludes?

Prepare for the IB Diploma Biology Test. Study with flashcards and multiple choice questions, each question offers hints and explanations. Get ready to ace your exam!

When the lytic cycle concludes, new virions are released from the host cell. The lytic cycle is a viral reproductive process in which a virus infects a host cell, takes over the cellular machinery to replicate its genetic material and proteins, and ultimately causes the host cell to lyse, or break open. This lysis results in the release of a large number of new viral particles, or virions, into the environment, allowing them to infect additional host cells. This is a crucial phase in the viral life cycle as it facilitates the spread of the virus within a host organism or to other organisms.

In contrast, the other options do not accurately describe the end result of the lytic cycle. The host cell entering dormancy relates more to the lysogenic cycle, where the viral DNA integrates into the host genome and remains inactive. The formation of new lysosomes occurs within the host cell’s normal cellular function and is unrelated to the lytic cycle outcome. The destruction of macrophages, while sometimes a consequence of viral infections, is not a direct result of the conclusion of the lytic cycle – rather, it reflects the broader impact of viruses on the immune system.

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