Only excitable cells, such as neurons and muscle, maintain the concentration gradient of Na⁺ and K⁺ ions across their membranes.

Name: Only excitable cells, such as neurons and muscle, maintain the concentration gradient of Na + and K + ions across their membranes.
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Question

Quizplus · Accepted Answer

All cells, not just excitable cells, maintain a concentration gradient of Na+ and K+ ions across their membranes, which is crucial for various cellular functions including maintaining the resting membrane potential and cell volume.

Only Excitable Cells, Such as Neurons and Muscle, Maintain the Concentration