The free energy for the oxidation of glucose to CO2 and water is - 686 kcal/mol and the free energy for the reduction of NAD to NADH is 53 kcal/mol. What is the main reason that only two molecules of NADH formed during glycolysis when it appears that as many as a dozen could be formed

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25 February, 17:52

The free energy for the oxidation of glucose to CO2 and water is - 686 kcal/mol and the free energy for the reduction of NAD to NADH is 53 kcal/mol. What is the main reason that only two molecules of NADH formed during glycolysis when it appears that as many as a dozen could be formed

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Jazmin Ayala · Answer 1

in the process of of glucose oxidation, it produces CO₂ and water and releases - 686kcal/mol of free energy and in the reduction reaction of NAD + to NADH, it produce + 53 kcal/mol of free energy. only two molecules of NADH is formed during glycolysis, because-

Most of the free energy available from the oxidation of glucose remains in the pyruvate form which is one of the products of glycolysis.