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Question

Net gain of ATP in glycolysis

A
6
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B
2
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C
4
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D
8
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Solution

The correct option is D 8
Glycolysis is the first stage of the breakdown of glucose in the cell.
During glycolysis 2 ATP molecules are used up and four ATP molecules are generated. In the entire process of glycolysis, two NADH₂ molecules are also generated. When these molecules undergo ETS they will form 3 ATP per NADH₂ which means 6 ATP.
Therefore the total ATP that are forming are 10 and as 2 ATP is used up the net gain will be 8.
So, the correct option is '8'

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