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Podcast: The Rx Bricks Podcast
Episode: Cell Membrane Potential and Ion Balance
Description: Differences in ion concentrations inside and outside a cell cause a difference in the charge of the intracellular and extracellular environments. This electrical polarization of a cell relative to its environment is referred to as cellular membrane potential. This potential serves as an energy source for a variety of cellular functions and as a way for excitable cells like muscle cells and neurons to communicate their signals. A cell controls its membrane potential by regulating the concentration of multiple ions and other charged particles. Let’s take a closer look at the biochemistry behind the cell membrane potential.
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