Cell Biology Quiz
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MEMBRANES AND TRANSPORT
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A cell has the following ion concentrations: K⁺ (140 mM in, 5 mM out), Na⁺ (15 mM in, 150 mM out), and Cl⁻ (10 mM in, 110 mM out). If the membrane becomes equally permeable to all three ions simultaneously, toward which value will the membrane potential move?
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