First slide

Fermentation

Question

Choose the correct statement with respect to respiration.

Easy

A

Fermentation shows the oxidation of NADH+ $H^{+}$
B

Anaerobic breakdown of pyruvic acid has substrate level phosphorylation reaction.
C

In fermentation alcohol is formed due to reduction of Pyruvic acid without decarboxylation.
D

Alcohol fermentation has oxidative decarboxylation reaction.

Solution

In fermentation by lactic acid bacteria and in the skeletal muscle cells of man, pyrivic acid is reduced to lactic acid due to oxidation of glycolytic NADH+H+. In alcohol fermentation as seen in yeast, acetaldehyde is reduced to alcohol by using glycolytic NADH+

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