Acetylcholinesterase

Question

Acetylcholinesterase
A) inactivates the NM receptors.
B) is the stimulus for the release of calcium from the SR.
C) degrades ACh.
D) binds calcium, making it unavailable to the sarcomere.

Accepted Answer

Acetylcholinesterase is an enzyme that breaks down acetylcholine into choline and acetate. It is found at the neuromuscular junction and is responsible for terminating the effects of acetylcholine by degrading it, thus preventing continued muscle contraction.