Why Is the Magnitude of Na⁺ Electrochemical Gradient Created by the Na⁺/K⁺

question 55

Multiple Choice

Why is the magnitude of Na⁺ electrochemical gradient created by the Na⁺/K⁺ pump larger than the magnitude of K⁺ electrochemical gradient?

• A) because K⁺ chemical and electrical gradients occur in the same direction whereas Na⁺ electrical and chemical gradients occur in opposite directions
• B) because Na⁺ chemical and electrical gradients occur in the same direction whereas K+ electrical and chemical gradients occur in opposite directions
• C) because Na⁺ is a bigger ion than potassium
• D) because Na⁺ gradient is directed toward the inside of the cell

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