Question

question 10 (mandatory) (1 point) what do synaptic vesicles of a neuromuscular junction contain? serotonin sodium calcium acetylcholine

Explanation:

At neuromuscular junctions, synaptic vesicles contain neurotransmitters. Acetylcholine is the neurotransmitter released from synaptic vesicles at neuromuscular junctions to transmit signals from nerve to muscle. Calcium and sodium are ions involved in the process of neurotransmitter release and muscle - cell response but are not stored in synaptic vesicles. Serotonin is a neurotransmitter mainly found in the central nervous system and not in synaptic vesicles of neuromuscular junctions.

Answer:

A. acetylcholine