Becker's World of the Cell (9th Edition)
Becker's World of the Cell (9th Edition)
9th Edition
ISBN: 9780321934925
Author: Jeff Hardin, Gregory Paul Bertoni
Publisher: PEARSON
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Chapter 22, Problem 22.4PS

The Equilibrium Potential. Answer each of the following questions with respect to ECl, the equilibrium potential for chloride ions. The chloride ion concentration inside the squid giant axon can vary from 50 to 150 mM.

(a) Before doing any calculations, predict whether ECl will be positive or negative. Explain.

(b) Now calculate ECl, assuming an internal chloride concentration of 50 mM.

(c) How much difference would it make in the value of ECl if the internal chloride concentration were 150 mM instead?

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