Resting membrane potential: Difference between revisions
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The resting membrane potential is when the net flow of [[Ions|ions]] across the [[Plasma membrane|plasma membrane]] is zero. In humans this is said to be around -70mV<ref>Alberts B, Johnson A, Lewis J, Raff M, Roberts K, Walter P. (2008) Molecular Biology of the Cell, 5th edition, New York: Garland Science (page 669)</ref>. | The resting membrane potential is when the net flow of [[Ions|ions]] across the [[Plasma membrane|plasma membrane]] is zero. In humans this is said to be around -70mV<ref>Alberts B, Johnson A, Lewis J, Raff M, Roberts K, Walter P. (2008) Molecular Biology of the Cell, 5th edition, New York: Garland Science (page 669)</ref>. Even resting potentials are very active as sodium and potassium ions are constantly being actively transported by the sodium-potassium pump, but some potassium ions leak back through the potassium ion leak channel. | ||
== References == | == References == | ||
<references /> | <references /> | ||
Revision as of 11:35, 29 November 2012
The resting membrane potential is when the net flow of ions across the plasma membrane is zero. In humans this is said to be around -70mV[1]. Even resting potentials are very active as sodium and potassium ions are constantly being actively transported by the sodium-potassium pump, but some potassium ions leak back through the potassium ion leak channel.
References
- ↑ Alberts B, Johnson A, Lewis J, Raff M, Roberts K, Walter P. (2008) Molecular Biology of the Cell, 5th edition, New York: Garland Science (page 669)