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NE + G proteins = increased intracellular calcium

3K views 6 replies 6 participants last post by  speedballz_21 
#1 ·
Norepinephrine stimulation of G proteins results in an increased intracellular concentration of calcium. This increase is not reversed by the extracellular calcium chelator EGTA. Which of the following is the most likely source of the increased intracellular calcium concentration?

(A) Endoplasmic reticulum
(B) Golgi complex
(C) Mitochondria
(D) Nucleus
(E) Plasma membrane
 
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