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After a Skeletal Muscle Has Contracted, Which Process Is Most

Question 35

Multiple Choice

After a skeletal muscle has contracted, which process is most important for lowering Ca2+ levels in the cytoplasm?


A) activity of the acetylcholine receptor
B) activity of the Ca2+-ATPase pump
C) closing of the Ca2+ release channels (ryanodine receptor)
D) closing of the dihydropyridine receptor

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