Campbell Biology (11th Edition)

Published by Pearson
ISBN 10: 0-13409-341-0
ISBN 13: 978-0-13409-341-3

Chapter 11 - 11.3 - Concept Check - Page 225: 4

Answer

These gated calcium channels allow calcium ions from internal stores to diffuse into the cytosol, raising the calcium ion concentration there.

Work Step by Step

Calcium is normally kept at a low concentration, by energy-consuming pumps, in the cytosol so that it can serve as an obvious signal when its concentration rises due to the action of these channels.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.