When temperate bacteriophages,such as phage l,enter the lysogenic pathway,covalently inserting their chromosome into the chromosome of the host,their lytic genes must be
A) turned on.
B) turned off.
C) induced.
D) turned on and induced.
E) None of these are correct.

Question

Quizplus · Accepted Answer

When temperate bacteriophages enter the lysogenic pathway, they integrate their chromosome into the host chromosome and remain dormant. Turning on the lytic genes would lead to the production of new phage particles and eventual host cell lysis. Therefore, the lytic genes must be turned off to maintain the lysogenic state.

When Temperate Bacteriophages,such as Phage L,enter the Lysogenic Pathway,covalently Inserting