Which of the following is NOT true of long-term potentiation ...

[vicotolentino]

Which of the following is NOT true of long-term potentiation (LTP)?
 
  A) Protein synthesis is required for persistent LTP.
  B) NMDA receptors admit calcium ions when glutamate is present and the membrane is depolarized.
  C) AMPA receptors are inserted into the dendritic membrane during LTP.
  D) Presynaptic nitric oxide acts as a messenger on the postsynaptic membrane.
  E) Glutamate is released from the axon terminal.

Question 2

Inactivation of type II calcium calmodulin kinase would be expected to
 
  A) promote the creation of new NMDA receptors.
  B) promote the formation of new memories.
  C) block the entry of calcium into the postsynaptic cell.
  D) block the formation of long-term potentiation.
  E) facilitate the production of long-term potentiation.

[joechoochoy]

Answer to Question 1

Answer: D
Rationale: Nitric oxide acts as a messenger on the presynaptic membrane.

Answer to Question 2

Answer: D
Rationale: Inactivation of type II calcium calmodulin kinase would be expected to block the formation of long-term potentiation.