What happens when the cAMP-CAP complex binds the CAP site near the lac promoter?
A)Transcription rate decreases.
B)Transcription rate increases.
C)RNA polymerase binds to the promoter.
D)RNA polymerase binds to the promoter and transcription rate decreases.
E)RNA polymerase binds to the promoter and transcription rate increases.

Question

Quizplus · Accepted Answer

The cAMP-CAP complex enhances the binding of RNA polymerase to the promoter, thereby increasing the transcription rate of the lac operon.

What Happens When the CAMP-CAP Complex Binds the CAP Site