An Autoreceptor Is Located on the ________ and Is Sensitive

An autoreceptor is located on the ________ and is sensitive to ________.

A) presynaptic membrane; the transmitter released by that neuron
B) presynaptic membrane; a different transmitter released by another neuron
C) presynaptic membrane; calcium ions located in the synapse
D) postsynaptic membrane; calcium ions located in the synapse
E) presynaptic membrane; the amount of second messenger activity in the postsynaptic cell