Which of the Following Is True of the Sodium-Potassium Exchange

question 36

Multiple Choice

Which of the following is true of the sodium-potassium exchange pump?

• A) It maintains sodium at equal intracellular and extracellular levels.
• B) It is a passive transport process.
• C) It moves sodium into the cell and potassium out of the cell.
• D) There is one type of carrier protein for sodium and a different type of carrier protein for potassium.
• E) It is an example of active transport.

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