Sharp
Chapter 10: Cellular Respiration- Harvesting Chemical Energy
· Intro- photosynthesis, autotrophs, producers, photoautrophs, hetertrophs,
10.1 Photosynthesis converts light energy to the chemical energy of food
· Chloroplasts: The Sites of Photosynthesis in Plants- chlorophyll, mesophyll, stomata (stoma), stroma, thylakoids, grana (granum), outer membrane, intermembrane space, inner membrane
· Tracking Atoms Through Photosynthesis- 6 CO2 + 12 H2O + Light energy ® C6H12O6 + 6 O2 + 6 H2 O
· The Two Stages of Photosynthesis: A Preview- light reactions, Calvin Cycle, NADPH, carbon fixation
Concept Check 1,3
10.2 The light reactions convert solar energy to the chemical energy of ATP and NADPH
· Intro- light-dependent reactions
· The Nature of Sunlight- wavelength, electromagnetic (radiation, energy, spectrum), visible light, photons
· Photosynthetic Pigments: The Light Receptors- pigments, spectrophotometer, absorption spectrum, chlorophyll a, action spectrum, accessory pigments, chlorophyll b, carotenoids,
· Excitation of Chlorophyll by Light- ground state, excited state, fall back down to ground state, fluorescence
· A Photosystem: A Reaction Center Associated with Light-Harvesting Mechanisms- photosystem, light-harvesting complex, primary electron acceptor, Photosystem II (P680), 680nm, Photosystem I (P700), 700nm
· Noncyclic Electron Flow- cyclic, noncyclic, electron transport chain, cytochrome complex, ferredoxin (Fd), NADP+ reductase, photophosphorylation
· Cyclic Electron Flow
· A Comparison of Chemiosmosis in Chlorplasts and Mitochondria- thylakoid space, ATP synthase
Concept Check 1,2,3
10.3 The Calvin cycle uses ATP and NADPH to convert CO2 to sugar
· Intro- light-independent reactions, carbon fixation (carboxylation), glyceraldehyde-3-phosphate (G3P or PGAL), ribulose bisphosphate (RuBP), rubisco, phosphoglycerate (PGA), reduction, regeneration of the CO2 acceptor
Concept Check 1,2,3
10.4 Alternative mechanisms of carbon fixation have evolved in hot, arid climates
· Photorespiration: An Evolutionary Relic?- C3
· C4 Plants- bundle-sheath cells, PEP, PEP carboxylase, oxaloacetate (OAA), malate, pyruvate,
· CAM Plants- crassulacean acid metabolism, malic acid
Concept Check 1, 2
The Importance of Photosynthesis: A Review