- A 4 ATP
- B 2 ATP
- C 6 ATP
- D 8 ATP
Correct answer: B. 2 ATP
Explanation: Glycolysis uses 2 ATP for activation steps and produces 4 ATP, giving a net gain of 2 ATP per glucose molecule, along with 2 NADH and 2 pyruvate.
Concept context
Glycolysis, the Krebs cycle, the electron transport chain, fermentation, and the respiratory quotient. The cellular energy-release counterpart to photosynthesis.