AP Outline
pre-AP info is highlighted.

I. Cellular Respiration and fermentation are catabolic (energy - yielding) pathways

II. Cells must recycle the ATP they spend for work.

III. Redox reactions release energy when electrons move closer to electronegative atoms.

IV. Electrons "fall" from organic molecules to oxygen during cellular respiration

V. The "fall" of electrons during respiration is stepwise, via NAD+ and an electron transport chain

VI. Respriation is a cumulative function of glycolysis, the Kreb cycle, and electron transport:

VII. Glycolysis harvests chemical energy by oxidizing glucose to pyruvate:

VIII. The Krebs cycle completes the energy-yielding oxidation of organic molecules:

IX. The inner mitochondrial membrane couples electrons transport to ATP synthesis:
  • The pathway of Electron Transport
  • Chemiosmosis: The Energy-Coupling Mechanism
  • Biological Themes and Oxidative Phosphorylation

X. Cellular respiration generates many ATP molecules for each sugar molecule

XI. Fermentation enables some cells to produce ATP without the help of oxygen
  • Comparison of Fermentation and Respiration
  • The Evolutionary Significance of Glycolysis

XII. Glycolysis and the Krebs Cycle connect to many other metabolic pathways
  • The Versatility of Catabolism
  • Biosynthesis (Anabolic Pathways)

XII. Feedback mechanisms control cellular respiration