Biology

Question

16. A neurotransmitter is best described as

A) a chemical that helps to relay impulses

B) an electrochemical impulse

C) an external environmental stimulus

D) a structure found in a dendrite

Answer

A) a chemical that helps to relay impulses

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A neurotransmitter is a chemical that helps to relay impulses between neurons in the nervous system. It is released from the axon terminal of one neuron and...