Electrical Excitability in Neurons Is Maintained by a Molecular Pump

question 6

Multiple Choice

Electrical excitability in neurons is maintained by a molecular pump which exchanges _____ across the plasma membrane.

• A) Na⁺ and Cl^-
• B) K⁺ and A^-
• C) K⁺ and Cl^-
• D) Na⁺ and K⁺

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