Question

4. Give reason :
(a) Neurotransmitters are broken down by an enzyme just after passing an impulse from one neuron to the other.​

Answer 1

Answer:

After a neurotransmitter molecule has been recognized by a post-synaptic receptor, it is released back into the synaptic cleft. Once in the synapse, it must be quickly removed or chemically inactivated in order to prevent constant stimulation of the post-synaptic cell and an excessive firing of action potentials.

Answer 2

Explanation:

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