3.6

Cellular Respiration

AP Biology

Cellular respiration

Overall equation

Four stages of aerobic cellular respiration

Stage 1: Glycolysis

Two phases of glycolysis

Key details

Stage 2: Pyruvate oxidation

Stage 3: The Krebs cycle (citric acid cycle)

Products per turn of the Krebs cycle

Key steps to know

Stage 4: Oxidative phosphorylation

Electron transport chain

Chemiosmosis

ATP yield summary

Fermentation (anaerobic pathways)

Two types of fermentation

Connections to other metabolic pathways

Regulation of cellular respiration

Vocabulary