Cell: The Unit of LifeHard

Question

How many water molecules are produced in mitochondria with the help of ETS during complete oxidation of one pyruvic acid ?

Options

A.Six
B.Six
C.Two
D.Five

Solution

Due to the 2H of each NADH2 or FADH2, one water molecule produced in the ETS.
One pyruvic acid = 4 NADH2 and 1 FADH2 so 5 H2O produced.
[NCERT XI Eng. Pg # 232 (Fig. 14.3) and Pg # 233 (Fig. 14.4)]

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