A Key Event for the Release of Neurotransmitter from the Presynaptic

question 76

Multiple Choice

A key event for the release of neurotransmitter from the presynaptic membrane is the

• A) hyperpolarization of the axon membrane.
• B) arrival of an action potential at the axon terminal.
• C) influx of potassium ions into the axon terminal.
• D) activation of the sodium-potassium pumps.
• E) opening of ion channels within the microtubules.

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Definitions:

Butan-1-ol

A four-carbon chain alcohol with the hydroxyl group attached to the first carbon.

1-butanamine

A chemical compound, also known as butylamine, which is an amine with the formula CH3(CH2)3NH2, used in the manufacture of pharmaceuticals and pesticides.

IUPAC Name

The systematic name given to a chemical substance, based on a set of standard rules by the International Union of Pure and Applied Chemistry.

Amine

An organic compound derived from ammonia; characterized by the presence of a nitrogen atom bonded to carbon atoms.