Ions can move across the plasma membrane in all of the following ways except

A) through voltage-gated channels along the axolemma.
B) through passive or leak channels.
C) by ATP-dependent ion pumps like the sodium-potassium exchange pump.
D) through chemically-gated channels as in neuromuscular transmission.
E) diffusion directly through the plasma membrane.


Answer: E

Anatomy & Physiology

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