Human Biology, 14 Edition

Published by McGraw-Hill Education
ISBN 10: 1-25924-574-8
ISBN 13: 978-1-25924-574-9

Chapter 14 - Assess - Page 308: 4

Answer

4. ANS . b. More positive

Work Step by Step

At this time as the sodium ion gates are open the Na+ ions pour down their electrochemical gradient into the cell; the cytoplasm becomes more positive because the K+ ion gates are still closed.
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