- A O2 absorbed / CO2 released
- B CO2 released / O2 absorbed
- C ATP produced / O2 absorbed
- D Glucose used / CO2 released
Correct answer: B. CO2 released / O2 absorbed
Explanation: RQ = volume of CO2 released / volume of O2 absorbed. RQ=1 for carbohydrates, less than 1 for fats, greater than 1 for organic acids/proteins.
Concept context
Glycolysis, the Krebs cycle, the electron transport chain, fermentation, and the respiratory quotient. The cellular energy-release counterpart to photosynthesis.