- A 1
- B 0.7
- C 0.5
- D 2
Correct answer: A. 1
Explanation: For carbohydrates the volume of CO₂ released equals the O₂ used, so RQ = 1.
Concept context
Glycolysis, the Krebs cycle, the electron transport chain, fermentation, and the respiratory quotient. The cellular energy-release counterpart to photosynthesis.