Question

multiple choice question
acetylcholine is stored in _______, found in the axon terminals of motor neurons.
o the synaptic cleft
o mitochondria
o synaptic vesicles
o the sarcoplasmic reticulum

Explanation:

Acetylcholine is a neurotransmitter. Neurotransmitters are stored in synaptic vesicles in the axon - terminals of neurons. The synaptic cleft is the space between neurons, mitochondria are for energy - production, and the sarcoplasmic reticulum is involved in muscle function and not in neurotransmitter storage.

Answer:

C. synaptic vesicles