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How many ATP molecules are gained during fermentation?(a) 8 ATP(b) 2 ATP(c) 10 ATP(d) 4 ATPThe question was posed to me at a job interview.My question is taken from Respiratory Quotient in portion Respiration in Plants of Biology – Class 11

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Right ANSWER is (b) 2 ATP

The explanation is: In fermentation, there is a net gain of only two molecules of ATP for each molecule of glucose DEGRADED to pyruvic acid whereas MANY more molecules of ATP are generated under aerobic CONDITIONS.



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