How does phosphocreatine act in the muscle relaxation, Biology

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Q. How does phosphocreatine act in the muscle relaxation and contraction?

Phosphocreatine is the major means of energy storage of the muscle cells.

During relaxed periods ATP molecules made by the aerobic cellular respiration transfer highly energized phosphate groups to creatine forming phosphocreatine In exercise periods ADP resynthesize and phosphocreatine ATP to dispose energy for the muscle contraction.


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