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13/02/2022 6:55 pm
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Which enzyme catalyses the reaction below?
Pyruvic acid → Carbon dioxide + Ethanol
(a) Pyruvic acid decarboxylase
(b) Alcohol dehydrogenase
(c) None of these
(d) Both of these
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13/02/2022 6:57 pm
Correct answer: (d) Both of these
Explanation:
In fermentation, the incomplete oxidation of glucose is achieved under anaerobic conditions by sets of reactions in which pyruvic acid is converted to carbon dioxide and ethanol. The enzymes involved are pyruvic acid decarboxylase and alcohol dehydrogenase.