Consider one glucose unit in glycogen. What is the overall or net reaction for t

Question

Consider one glucose unit in glycogen. What is the overall or net reaction for the conversion of this unit into 2 pyruvate, starting with phosphorolysis of the glucose unit?

A. Glycogen (n residues) + Pi - - > glucose-1-phosphate + glycogen (n-1 residues)

B. Glycogen (n residues) + 3 ADP + 3 Pi +2 NAD(+) - - > 2 pyruvate + glycogen (n-1 residues) + 3 ATP + 2 NADH + 2 H(+) + 2 H2O

C. Glycogen (n residues) + 2 ADP + 2 Pi + 2 NAD(+) - - > 2 pyruvate + glycogen (n-1 residues) + 2 ATP + 2 NADH + 2 H(+) + 2 H2O

D. Glycogen (n residues) + 2 ADP + Pi + NAD(+) - - > 2 pyruvate + glycogen (n-1 residues) + 2 ATP + NADH + 2 H(+) + 2 H2O

Explanation / Answer

The overall or net reaction for the conversion of this unit into 2 pyruvate, starting with phosphorolysis of the glucose unit would be,

C. Glycogen (n residues) + 2 ADP + 2 Pi + 2 NAD(+) - - > 2 pyruvate + glycogen (n-1 residues) + 2 ATP + 2 NADH + 2 H(+) + 2 H2O

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