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In the production of ethanol, pyruvic acid is first converted to acetaldehyde by the enzyme.

a)

Alcohol Dehydrogenase

b)

Alcohol oxidase

c)

Pyruvate Dehydrogenase

d)

Pyruvate decarboxylase



Question ID - 5013 | SaraNextGen Top Answer

In the production of ethanol, pyruvic acid is first converted to acetaldehyde by the enzyme.

a)

Alcohol Dehydrogenase

b)

Alcohol oxidase

c)

Pyruvate Dehydrogenase

d)

Pyruvate decarboxylase

1 Answer
127 votes
Answer Key / Explanation : (d) -

(d)

In ethyl alcohol fermentation,

 (i) 2C COCOOH         

        Pyruvic acid                         2C CHO+2C  ( )

                           Acetaldehyde

(ii) 2C CHO + 2NAD  

Acetaldehyde                      

                                           2C C OH + 2NA

                                              Ethyl alcohol

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