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Give a brief account on Alcoholic fermen...

Give a brief account on Alcoholic fermentaion.

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The cells of roots in water logged soil respire soil respire by alcoholic fermentation because of lack of oxygen by converting pyruvic acid into ethyl alcohol and `CO_2`. Many species of yeast (Saccharomyces) also respire anaerobically.
(i) `underset("Pyruvic acid")(2CH_3COCOOH) underset("TPP")overset("Pyruvate decarboxylase")(rarr)underset("Acetaldehyde")(2CH_3CHO + 2CO_2uarr)`
(ii) `underset("Acetaldehyde")(2CH_3CHO )+ 2NADH + 2H^+ overset("Alcohol dehydrogenase")(rarr) underset("Ethyl alchol")(2CH_3CH_2OH) + 2NAD^+`
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