The Structure of the Cell Membrane Resting Membrane Potential
The Structure of the Cell Membrane Resting Membrane Potential
The Structure of the Cell Membrane Resting Membrane Potential
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Ionic concentrations inside and<br />
Na + : 120 mM<br />
K + : 2.5 mM<br />
Cl - : 120 mM<br />
outside <strong>of</strong> a muscle cell<br />
[K + ] ⇒ E mV = -58/1 log (139/2.5) = - 101.2 mV<br />
[Na + ] ⇒ E mV = -58/1 log (20/120) = + 45.1 mV<br />
[Cl - ] ⇒ E mV = -58/1 log (3.8/120) = + 86.9 mV<br />
Na + : 20 mM<br />
K + : 139 mM<br />
Cl - : 3.8 mM<br />
= 30.8 mV<br />
E mV=-92mV
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