Examlex
A(n) _____ is most likely to be concerned with selective pressures.
Transmitter Substances
Chemicals released by nerve cells to transmit signals across a synapse to another nerve, muscle, or gland cell.
Serotonin
A neurotransmitter in the brain that plays a significant role in mood regulation, sleep, and other physiological functions.
Agonists
Drugs that enhance a neurotransmitter’s activity.
Antidepressants
Medications designed to improve symptoms of depression by altering chemical balances in the brain.
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