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38 molecules of ATP are produced during aerobic respiration. Of these 2 ATP are used in link reaction. Hence net gain is of 36 ATP.

1. 38 molecules of ATP are produced during aerobic respiration. Of these 2 ATP are used in link reaction. Hence net gain is of 36 ATP.
2. 36 molecules of ATP are produced during aerobic respiration. Of these 2 ATP are used in link reaction. Hence net gain is of 34 ATP.
3. 38 molecules of ATP are produced during anaerobic respiration. Of these 2 ATP are used in link reaction. Hence net gain is of 36 ATP.
4. 36 molecules of ATP are produced during anaerobic respiration. Of these 2 ATP are used in link reaction. Hence net gain is of 34 ATP.

Correct answer: 38 molecules of ATP are produced during aerobic respiration. Of these 2 ATP are used in link reaction. Hence net gain is of 36 ATP.

Solution

Aerobic respiration is the process associated with the high ATP yield of 38 molecules. If 2 ATP are consumed during the link reaction, the net gain becomes 36 ATP, matching the statement in option A.

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