During which stage of cellular respiration is glucose broken down into two molecules of pyruvic acid?

A. Electron transport chain
B. Glycolysis
C. Krebs cycle
D. Acetyl CoA formation



Answer :

Final answer:

Glycolysis is the stage of cellular respiration where glucose is broken down into pyruvic acid.


Explanation:

When glucose is broken down into two molecules of pyruvic acid, it occurs during the glycolysis stage of cellular respiration. Glycolysis is the initial metabolic pathway that involves the splitting of glucose into pyruvate. This process takes place in the cytoplasm of the cell.


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