Multiple Choice
Which experimental criterion is NOT used to identify a chemical as a neurotransmitter?
A) A substance must contain an amine group.
B) The chemical can be introduced into the synapse artificially to produce a response.
C) The chemical must be synthesized in or present in the neuron.
D) The chemical must be released when the neuron is active.
Correct Answer:

Verified
Correct Answer:
Verified
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