Calcium ion concentrations are tightly regulated because of the importance of calcium in biological functions. Calcium ion concentrations are ____ inside the cell than/as they are outside the cell. a. slightly higher b. the same c. slightly lower d. much higher e. much lower
Calcium ion concentrations are tightly regulated because of the importance of calcium in biological functions. Calcium ion concentrations are ____ inside the cell than/as they are outside the cell. a. slightly higher b. the same c. slightly lower d. much higher e. much lower
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Calcium ion concentrations are tightly regulated because of the importance of calcium in biological functions. Calcium ion concentrations are ____ inside the cell than/as they are outside the cell.
a.
slightly higher
b.
the same
c.
slightly lower
d.
much higher
e.
much lower
Expert Solution
Step 1
Calcium ions (Ca+2) play an important role in the signal transduction pathway by acting as a second messenger for the release of neurotransmitters from neurons and contractions of muscle cells in the heart (cardiac muscle) and the body (striated and smooth muscle).
Thus calcium plays an integral role in the electrical as well as physiological processes of the body.
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