Ions Can Move Across the Plasma Membrane in All of the Following

question 137

Multiple Choice

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.

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