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The complete breakdown of one glucose molecule results in the production of 38 ATP molecules.

1. (a) The energy produced in aerobic respiration (36 ATP) is 18 times greater than that in anaerobic respiration (2 ATP).
2. (b) Enzyme activity can be reversibly inhibited by substrate analogues through competitive inhibition.
3. (c) Fermentation involves the breakdown of organic substances in the absence of oxygen, producing alcohol, organic acids, and gases.
4. (d) The final products of fermentation include ethanol, lactic acid, and carbon dioxide.

Correct answer: (a) The energy produced in aerobic respiration (36 ATP) is 18 times greater than that in anaerobic respiration (2 ATP).

Solution

Option (a) is correct because aerobic respiration yields 36 ATP, which is 18 times the 2 ATP produced during anaerobic respiration. The other options describe unrelated concepts or processes.

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