Resting Membrane Potential Is Maintained by the Sodium-Potassium Ion Pump,or

question 23

Multiple Choice

Resting membrane potential is maintained by the sodium-potassium ion pump,or Na⁺/K⁺ ATPase,which brings:

• A)two potassium ions into the cytosol and two sodium ions into the extracellular fluid.
• B)three potassium ions into the cytosol and three sodium ions into the extracellular fluid.
• C)two potassium ions into the cytosol and three sodium ions into the extracellular fluid.
• D)three potassium ions into the cytosol and two sodium ions into the extracellular fluid.

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