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you have generated antibodies that recognize the extracellular domain of the Ca2

ID: 20964 • Letter: Y

Question

you have generated antibodies that recognize the extracellular domain of the Ca2+ pump. Adding these antibodies to animal cells blocks the active transport of Ca2+ from the cytosol into the extracellular environment. what do you expect to observe with respect to intracellular Ca2+.
a. Ca2+ pumps in vesicles membranes keep cytosolyc calcium levels low.
b. Ca2+ pumps in the ER membrane keep cytosolic calcium levels low.
c. Ca2+ pumps in the Golgi apparatus keel cytosolic calcium levels low.
d. Ca2+ concentrations in the cytosol increase at at steady rate

Explanation / Answer

Ca2+ concentrations in the cytosol increase at at steady rate.