What is the fate of ACh following binding to receptors?
A) It remains bound, causing continued excitement.
B) It is removed by acetylcholinesterase.
C) It is actively reabsorbed by the axon terminal.
D) It is passively reabsorbed by the muscle cell.
E) None of these.

Question

Quizplus · Accepted Answer

Acetylcholinesterase breaks down ACh into choline and acetate, which are then taken back up by the axon terminal for re-synthesis of ACh. This ensures that the effect of ACh on the receptor is terminated and prevents continued excitation.

What Is the Fate of ACh Following Binding to Receptors