Acetylcholine
A) is the neurotransmitter at the neuromuscular junction.
B) is broken down by acetylcholinesterase.
C) binds to receptors on the muscle cell membrane.
D) causes an influx of sodium ions into the muscle cell when bound to its receptor.
E) has all of these characteristics.

Question

Quizplus · Accepted Answer

Acetylcholine is the neurotransmitter at the neuromuscular junction, it is broken down by acetylcholinesterase, it binds to receptors on the muscle cell membrane, and it causes an influx of sodium ions into the muscle cell when bound to its receptor. Therefore, all of these characteristics are true of acetylcholine.