Question

Write the reaction number in front of the following.
Anaerobic reaction is

• A. 5
• B. 3
• C. 2
• D. 1

Answer 1

The correct option is A 5

In fermentation (5), by microorganisms like yeast, the incomplete oxidation of glucose is achieved under anaerobic conditions by sets of reactions where pyruvic acid (obtained from glucose during glycolysis) is converted to CO2 and ethanol. The enzymes, pyruvic acid decarboxylase, and alcohol dehydrogenase catalyse these reactions. Other organisms like some bacteria produce lactic acid from pyruvic acid under anaerobic conditions.