Carbon dioxide (CO₂) is released during which of the following stages of cellular respiration?
A) glycolysis and the oxidation of pyruvate to acetyl CoA
B) oxidation of pyruvate to acetyl CoA and the citric acid cycle
C) oxidative phosphorylation and fermentation
D) fermentation and glycolysis

Question

Quizplus · Accepted Answer

CO₂ is released during the oxidation of pyruvate to acetyl CoA and the citric acid cycle, specifically during the conversion of pyruvate to acetyl CoA and during the decarboxylation steps of the citric acid cycle. CO₂ is not released during fermentation or glycolysis.

Carbon Dioxide (CO₂) Is Released During Which of the Following