If electrons are received from glycolysis and the pyruvate dehydrogenase, how many molecules of oxygen can be reduced by one glucose molecule?
One molecule of glucose undergoes glycolysis reaction and produce 2 molecules of pyruvate and 2 molecule of NADH
And next two molecules of pyruvate undergoes oxidative decarboxylation by Pyruvate Dehydrogenase enzymes.and produce 2 molecule Acetyl and 2 molecules of NADH.
So ,total NADH produce from one molecule of glucose is :-4
Now NADH donates two electrons,
Whereas O2 molecule receive four electrons to produce one molecule of Water (H2O)
From 4 molecules of NADH no of electron=(4*2) =8
So, number of oxygen molecule involved is=(8÷4) =2
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