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Glycolysis

Number of oxy...

Question

Number of oxygen atoms required for complete oxidation of pyruvic acid is

A

6

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B

12

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C

3

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D

8

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Solution

The correct option is A 6
The complete oxidation of the pyruvic acid will occur through the formation of acetyl co-A that will enter the Kreb's cycle and the reduced products NADH and FADH $_{2}$ will be oxidized in the electron transport chain. For the electron transport chain, oxygen will act as final electron acceptor and 6 such oxygen atoms are required to complete the oxidation.
Hence, the correct answer is '6'

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