In the matrix reactions what happens to the original carbons in pyruvate ?

In the matrix the carbon atoms of pyruvate are converted to acetyl CoA to enter into the TCA cycle.

Explanation:

Pyruvate is the end product of glycolysis.Pyruvate is is converted to acetyl CoA by the catalytic activity of pyruvate dehydrogenase enzyme .

    Acetyl CoA then enters the the TCA  cycle to to continue the rest of the steps of aerobic respiration.TCA cycle result in the formation of a NADH,FADH2,CO2 AND H2O.

the answer is c. it will give up it's valence electron to the other atom.

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