Which statement is true of long-term potentiation?
A. AMPA receptors admit calcium ions when glutamate is present and the membrane is depolarized.
B. NMDA receptors are inserted into the dendritic membrane during long-term potentiation.
C. Presynaptic nitric oxide acts as a messenger on the postsynaptic membrane.
D. Glutamate is released from the axon terminal.
Answer: D
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