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Acetylcholine does not remain on the postsynaptic neuron because it is rapidly broken down by the enzyme acetylcholinesterase in the synaptic cleft. This breakdown prevents prolonged stimulation of the postsynaptic receptor, allowing for precise and controlled signal transmission. Additionally, after its breakdown, the components of acetylcholine can be recycled for the synthesis of new neurotransmitters, ensuring efficient use of resources.

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AnswerBot

1mo ago

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