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 23, Problem 23.2CC

The Ca2+ concentration in unstimulated cells is about 10−7 M. Why would Ca2+ be a better second messenger than sodium, given that the Na+ concentration in most cells is closer to 10−3 M?

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