Question

what is the third stage of aerobic respiration? fermentation oxidative phosphorylation glycolysis

Explanation:

Aerobic respiration has three stages: glycolysis (first), the Krebs cycle (second), and oxidative phosphorylation (third). Fermentation is anaerobic, and glycolysis is the first stage. So the third stage is oxidative phosphorylation.

Answer:

B. oxidative phosphorylation (assuming the options are labeled as A. fermentation, B. oxidative phosphorylation, C. glycolysis)