Select the last step for synaptic signaling when the action potential arrives at the axon terminal of a presynaptic neuron.
A) A neurotransmitter is released by exocytosis.
B) Calcium flows in the synaptic knob.
C) The neurotransmitter combines with protein receptor sites on the subsynaptic membrane.
D) The permeability is altered in a postsynaptic neuron.
E) None of these.

Question

Quizplus · Accepted Answer

The last step in synaptic signaling is the alteration of permeability in the postsynaptic neuron, which occurs after the neurotransmitter binds to receptor sites.

Select the Last Step for Synaptic Signaling When the Action