Chemical substances that carry messages directly from one neuron to the next are called
A)agonists.
B)neurotransmitters.
C)enzymes.
D)hormones.

Question

Quizplus · Accepted Answer

Neurotransmitters are chemical substances that carry messages directly from one neuron to the next. Agonists are substances that enhance or mimic the effects of neurotransmitters. Enzymes are protein molecules that facilitate biochemical reactions, but are not directly involved in neuron communication. Hormones are chemical messengers that are released into the bloodstream to signal distant target cells.

Chemical Substances That Carry Messages Directly from One Neuron to the Next