Once integrated, phage DNA can remain in the prophage state as long as
A) the bacteria is frequently plated on new media.
B) certain phage genes are excised.
C) certain phage genes are repressed.
D) bacterial repressor genes are activated.
E) bacterial repressor genes are deactivated.

Question

Quizplus · Accepted Answer

Certain phage genes must be repressed to maintain the prophage state. This repression prevents the phage genes from being expressed and causing the lytic cycle to begin. Therefore, the correct answer is C.

Once Integrated, Phage DNA Can Remain in the Prophage State