Figure 7.1
-For each mole of glucose (C₆H₁₂O₆) completely oxidized by cellular respiration, how many moles of CO₂ are released in the citric acid cycle (see Figure 7.1)?

Question

Quizplus · Accepted Answer

For each mole of glucose completely oxidized in cellular respiration, two moles of pyruvate are produced by glycolysis, which then enters the mitochondria and is converted into acetyl-CoA. Each acetyl-CoA molecule then goes through the citric acid cycle, producing two molecules of CO₂. Thus, for each mole of glucose completely oxidized, four moles of CO₂ are released in the citric acid cycle. Therefore, the correct answer is C.

Figure 7.1 -For Each Mole of Glucose (C₆H₁₂O₆) Completely Oxidized by Cellular