3.6

Cellular Respiration

AP Biology

Cellular respiration

Overall equation

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Four stages of aerobic cellular respiration

Stage 1: Glycolysis

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Two phases of glycolysis

Key details

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Stage 2: Pyruvate oxidation

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Stage 3: The Krebs cycle (citric acid cycle)

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Products per turn of the Krebs cycle

Key steps to know

Stage 4: Oxidative phosphorylation

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Electron transport chain

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Chemiosmosis

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ATP yield summary

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Fermentation (anaerobic pathways)

Two types of fermentation

Connections to other metabolic pathways

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Regulation of cellular respiration

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Vocabulary