What are transporters? What is their role? Choose the correct option
A) Enzymes that synthesize neurotransmitters from metabolic precursors; responsible for concentrating neurotransmitters in the synaptic cleft
B) Synthesizing enzymes for both amino acid and amine neurotransmitters; responsible for concentrating neurotransmitters inside the vesicle
C) Special proteins embedded in the vesicle membrane; responsible for synthesizing neurotransmitters
D) Special proteins embedded in the vesicle membrane; responsible for concentrating neurotransmitters inside the vesicle
Ans: D
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