This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Misc., Subject name: Physiology
[{'content': 'True about synaptic vesicle is \nSelect and explain. \nA. Small Clear vesicle contain ACh & GABA, B. Small vesicle contain neuropeptides, C. Large vesicle contain dense core with glutamate, D. Small clear vesicle contain neuropeptides', 'role': 'user'}, {'content': 'Answer: A \nExplanation: (A) Small Clear vesicle contain Ach & GABA # Inside the presynaptic terminal are many mitochondria, as well as many membrane-enclosed vesicles, which contain neurotransmitters. There are three kinds of synaptic vesicles: Clear synaptic vesicles that contain acetylcholine, glycine, GABA, or glutamate; small vesicles with a dense core that contain catecholamines; and large vesicles with a dense core that contain neuropeptides.', 'role': 'assistant'}]