Which of the Following Causes an Unequal Ion Concentration Across

question 135

Multiple Choice

Which of the following causes an unequal ion concentration across the resting plasma membrane?

• A) The functioning of the sodium-chloride pump
• B) Negatively charged proteins not readily diffusing across the plasma membrane
• C) The attraction of chloride ions to other intracellular anions
• D) The repulsion of potassium ions by the intracellular anions
• E) The attraction of sodium ions to chloride ions

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