Test: GRE Subject Test: Biochemistry, Cell, and Molecular Biology

1.

Neurons transmit signals via transmission of an electrical signal called an action potential. Which integral membrane protein is crucial for the rising phase of an action potential?

Voltage-gated sodium channels

Ligand gated sodium channels

Voltage-gated potassium channels

Metabotropic glutamate receptors

Ligand gated calcium channels

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