What Name Describes the Inhibitory Effect of Glucose, Caused by Its

Question

What name describes the inhibitory effect of glucose, caused by its effect on cAMP levels?
A) glucose repression
B) lactose repression
C) cAMP repression
D) anabolite repression
E) catabolite repression

Accepted Answer

The inhibitory effect of glucose on the lac operon and other catabolic operons through its effect on cyclic AMP (cAMP) levels is known as catabolite repression. When glucose is present, it lowers the levels of cAMP, which in turn reduces the activity of cAMP receptor protein (CRP), a necessary activator for the transcription of these operons.