Energy sources available to form ATP in muscle fibers are
1 . phosphorylation of ADP by creatine phosphate
2 . oxidative phosphorylation of ADP in the mitochondria
3 . phosphorylation of ADP by the glycolytic pathway in the cytosol
a. (1) and (2) are correct.
b. (2) and (3) are correct.
c. (1) and (3) are correct.
d. (1), (2), and (3) are correct.
e. none of these answers.
D
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