Question about electrochemical gradient

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Question: Suppose a membrane potential of -70mV, what are two reasons why the electrochemical gradient for Ca2+ ([10-7 mM] free in the cytoplasm, [2 mM] outside the cell) is much greater than that of Na+ ([12 mM] in the cytoplasm, [145 mM] outside the cell)?

Reference no: EM1389535

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