8.1 Metabolic relations are regulated in response to the cell's needs. Anabolism and catabolism = metabolism, not cannibalism
8.2 Cell Respiration: Energy is converted to a usable form in cellular respiration: Glycolysis, Krebs Cycle, Electron transport chain...All the fun stuff with we left out in SL
8.3 Photosynthesis: Light energy is converted into chemical energy