Which of the following statements about cyclic AMP is false?
A) It can bind to, and thus open, ion channels in some sensory cells.
B) In some circumstances it can bind to a protein kinase in the cytoplasm.
C) The enzyme adenylyl cyclase catalyzes its formation from ATP.
D) It is a second messenger.
E) It has enzymatic activity.

Question

Quizplus · Accepted Answer

Cyclic AMP is not an enzyme and does not have enzymatic activity. It acts as a second messenger by binding to and activating other proteins, such as protein kinases.

Which of the Following Statements About Cyclic AMP Is False