Agonists are chemical molecules that increase the activity of

A) motor neurons.
B) genes.
C) synapses.
D) neurotransmitters.

Agonists

Agonists are chemicals or drugs that activate receptors in the body to produce a physiological response similar to that of a natural substance.

Neurotransmitters

Chemical messengers in the brain and nervous system that transmit signals between neurons, influencing various functions including mood, sleep, and appetite.

Chemical Molecules

Groups of atoms bonded together, representing the smallest fundamental units of a chemical compound that can take part in a chemical reaction.