Answer
c. release of Ca2+ from the sarcoplasmic reticulum.
Work Step by Step
Impulses that move down the t tubules of a muscle fiber initially cause the release of Ca2+ from the sarcoplasmic reticulum. Option "C" is correct
Human Biology, 14 Edition
by Mader, Sylvia; Windelspecht, Michael
Published by
McGraw-Hill Education
ISBN 10:
1-25924-574-8
ISBN 13:
978-1-25924-574-9
Chapter 13 - Assess - Page 281: 3
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