Life: The Science of Biology
11th Edition
ISBN: 9781319010164
Author: David E. Sadava, David M. Hillis, H. Craig Heller, Sally D. Hacker
Publisher: W. H. Freeman
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Chapter 44.2, Problem 1R
Summary Introduction
To review:
The reason due to, which the Goldman equation is able to produce a more reliable calculation of resting membrane potential as compared to the Nernst equation.
Introduction:
The resting membrane potential is maintained by the efflux of potassium ions (K+) and the influx of the sodium ions (Na+) inside the cell with the help of the sodium-potassium pump. The concentration of the K+ across the membrane is calculated once equilibrium is established between them. This is calculated by using Nernst equation. The Goldman equation, however, also involves the following:
All ions, which are capable of crossing the membrane.
The relative permeability provided by the membrane to all the ions.
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Life: The Science of Biology
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