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Ca2+-Pumps in the Plasma Membrane and Endoplasmic Reticulum Are Important

Question 56

Multiple Choice

Ca2+-pumps in the plasma membrane and endoplasmic reticulum are important for


A) maintaining osmotic balance.
B) preventing Ca2+ from altering the activity of molecules in the cytosol.
C) providing enzymes in the endoplasmic reticulum with Ca2+ ions that are necessary for their catalytic activity.
D) maintaining a negative membrane potential.

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