Sodium potential in a frog muscle. Inside a frog muscle cell, the sodium concentration is [Na]in = 9.2 mM. Outside, the sodium concentration is [Na]out = 120 mM. (a) Compute the sodium potential ...



Sodium potential in a frog muscle. Inside a frog


muscle cell, the sodium concentration is [Na]in = 9.2 mM.


Outside, the sodium concentration is [Na]out = 120 mM.


(a) Compute the sodium potential Δψ across the membrane at T = 300 K.


(b) Which side of the membrane has the more positive


potential, the inside or the outside?

Nov 14, 2021
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