Persistence of a long-term potentiation for more than an hour requires
A) insertion of GABA receptors into the postsynaptic membrane.
B) presynaptic inhibition.
C) increased synthesis of PKM-zeta within the postsynaptic dendrite.
D) formation of new axonal spines.
E) All of the above are correct.
Answer: C
Rationale: Persistence of a long-term potentiation for more than an hour requires increased synthesis of PKM-zeta within the postsynaptic dendrite.
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