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Which of the following statements is NOT true about a neuron that has reached its action potential?
Sodium and potassium ion channels allow transfer across the cell membrane.
Depolarization of the cell membrane occurs.
At the axon terminal, vesicles containing neurotransmitter molecule begin to release their contents.
An electro-chemical impulse is conducted down the axon.
Sodium and potassium ion channels are blocked to prevent polarization of the membrane.