Answer:
"It is the enzyme that breaks down acetylcholine in the synaptic cleft, ending stimulation of the muscle fiber. -It is the type of receptor found in the motor end plate that binds acetylcholine, initiating an electrical impulse."
Explanation:
Th correct answer would be D! Hope this helps
<em>it would be b and c</em>
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<em>it's the whole ''ecosystem''</em>
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