The Neurotransmitter Gamma-Aminobutyric Acid (GABA)

Question

The neurotransmitter gamma-aminobutyric acid (GABA):
A)Is stored in large electron-dense vesicles.
B)Is the major excitatory transmitter in the brain.
C)When released,acts mainly at the immediate postsynaptic membrane.
D)Binds to only ionotropic receptors.

Accepted Answer

GABA acts mainly at the immediate postsynaptic membrane, where it typically binds to its receptors to exert its effect, which is primarily inhibitory in the central nervous system.