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There Is Only One Neurotransmitter That Is Known to Be

Question 139

Multiple Choice

There is only one neurotransmitter that is known to be deactivated in the synaptic cleft by enzymatic degradation; this neurotransmitter is

A) dopamine.
B) acetylcholine.
C) acetylcholinesterase.
D) norepinephrine.
E) glutamate.

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