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
Answer: A
Rationale: Autoreceptors are metabotropic in nature.
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