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In anaerobic respiration, pyruvic acid is converted to _______

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In anaerobic respiration, pyruvic acid is converted to _______

(a) Lactate

(b) Acetyl CoA

(c) PEP

(d) Acetate

The question was posed to me in an online interview.

My question is based upon Enzymes as Biological Catalysts topic in section Bioenergetics, Enzymes, Metabolism, Genes, Chromosomes and Genomes of Cell Biology

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The correct choice is (a) Lactate

The best I can explain: In aerobic respiration, the pyruvate is converted to two-carbon compound acetyl CoA which enters the Kreb’s cycle to release carbon dioxide and energy. In anaerobic respiration, due to absence of oxygen, the pyruvate is converted to lactate. In yeast fermentation, pyruvate is converted to alcohol and carbon dioxide.

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