What is the yield of ATP when each of the following substrates is completely oxidized to CO 2 by a mammalian cell homogenate?

What is the yield of ATP when each of the following substrates is completely oxidized to CO2 by a mammalian cell homogenate? Assume that glycolysis, the citric acid cycle, and oxidative phosphorylation are all occurring. Assume the glycerol 3-phosphate shuttle is active in the cells in question. DO NOT USE 2.5ATP/NADH or 1.5ATP/FADH2 – use the exact ratio for humans. It might be easiest to count the number of protons pumped in each circumstance. 

A. Pyruvate

B. Lactate

C. Fructose 1,6-bisphosphate

D. Phosphoenolpyruvate

E. Galactose

F. Dihydroxyacetone phosphate

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