Which of the following statements about the lytic cycle is true?
A) The phage DNA integrates into the bacterial chromosome.
B) Temperate viruses are formed.
C) Prophages are replicated.
D) The host cell lyses.
E) Immunity to a specific strain of phage may result.

Question

Quizplus · Accepted Answer

In the lytic cycle, the phage takes over the host cell's machinery to replicate its own DNA and proteins, assemble new phage particles, and eventually cause the host cell to burst (lyse), releasing the progeny phages. Therefore, choice D, "The host cell lyses," is the true statement about the lytic cycle. Choices A, B, and C refer to the lysogenic cycle, where the phage DNA integrates into the host chromosome as a prophage that may or may not later enter the lytic phase. Choice E is generally true for both the lytic and lysogenic cycles, as exposure to a phage can lead to the development of immunity to that specific strain of phage.

Which of the Following Statements About the Lytic Cycle Is