Question

multiple choice question
the enzyme acetylcholinesterase functions to _______.
o synthesize acetylcholine in the body of a motor neuron
o reabsorb acetylcholine into the axon of a motor neuron
o transport acetylcholine from the cytoplasm into synaptic vesicles
o break down acetylcholine in the synaptic cleft
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Explanation:

Acetylcholinesterase is an enzyme in the synaptic cleft that breaks down the neurotransmitter acetylcholine after it has transmitted a nerve - impulse. This terminates the signal at the synapse.

Answer:

break down acetylcholine in the synaptic cleft