A) alcohol dehydrogenase
B) alcohol oxidase
C) pyruvate dehydrogenase
D) pyruvate decarboxylase
Correct Answer: D
Solution :
In ethyl alcohol fermentation \[\begin{align} & \text{(i) 2C}{{\text{H}}_{3C}}COCOOH\xrightarrow[TPP,M{{G}^{2+}}]{Pyruvatedecarboxylase} \\ & 2C{{H}_{3}}CHO+2CO & 2(\uparrow ) \\ & Acetaldhyde \\ & (ii)\,2C{{H}_{3}}CHO+2NAD{{H}_{2}}\xrightarrow[Dehydrogenase]{Alcohol} \\ & 2C{{H}_{3}}C{{H}_{2}}OH+2NAD \\ & Ethylalcohol \end{align}\]
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