A substance that produces an alternation to a neuron's level of functional response to stimulation could be called a(n):
A) effector enzyme.
B) second messenger.
C) neurotransmitter.
D) neuromodulator.

Question

Quizplus · Accepted Answer

A neuromodulator is a substance that alters the functional response of a neuron to stimulation. Effector enzymes catalyze biochemical reactions, second messengers mediate intracellular signaling pathways, and neurotransmitters transmit signals between neurons and other cells.

A Substance That Produces an Alternation to a Neuron's Level