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An excitatory neurotransmitter ______ the postsynaptic membrane.
a. depolarizes
b. repolarizes
c. hyperpolarizes
d. does not affect the polarity of
e. moves across channels in

Respuesta :

Answer:

Depolarise.

Explanation:

Excitatory post synaptic potential may be defined as the potential that has the ability to fire an action potential. They have an additive effect on the membrane potential.

This post synaptic potential causes the influx of sodium ions and changes the membrane potential towards more negative. They causes the depolarization of the cell.

Thus, the answer is option (a).

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