Question 49
RespirationHow many molecules of oxygen are required for the aerobic respiration of three molecules of glucose?
- A.3
- B.6
- C.12
- D.18
Show the answer and explanation
Answer: D (18)
Explanation
C6H12O6 + 6O2 → 6CO2 + 6H2O, so each glucose needs 6 oxygen molecules; 3 × 6 = 18.