ATP is used directly for each of the following processes EXCEPT one.Which one is this EXCEPTION?

ATP is used directly for each of the following processes EXCEPT one.Which one is this EXCEPTION?

A.Accumulation of Ca2+ by the sarcoplasmic reticulum

B.Transport of glucose into muscle cells

C.Transport of K+ from the extracellular to intracellular ?uid

D.Transport of Na! from the intracellular to extracellular ?uid

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