Mike asked in Science & MathematicsBiology · 1 decade ago

What happens to acetylcholine (ACh) when it dissociates from its receptor?

A It is broken down by an enzyme.

B It simply diffuses away from the synaptic cleft.

C It is pumped back into the presynaptic neuron.

Thanks for your help!

1 Answer

  • 1 decade ago
    Favorite Answer

    All of the above. Acetylcholine esterase breaks it down at the synapse, it diffuses away, and some of it is recycled and taken back up by presynaptic cell.

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