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Unformatted text preview: • NADPH and ATP high energy bonds are used to fix carbon dioxide into glyceraldehydes 3 phosphate • Used to synthesize glucose, fructose, glycerol, fatty acids, amino acids Plants absorb visible energetic light. Why visible? • If gamma rays, wouldn’t see the plant. They would adapt to the wavelength they absorb • Absorb blues. Plants are green. Don’t absorb green light, reflect it • In the fall o Reabsorb chlorophyll which is left behind are accessory pigments. • Light bounces off onto retina (photo receptors) • Pump protons into the lumen (thylakoid) Photorespiration • When rubisco binds oxygen instead of carbon dioxide – cellular aerobic respiration instead of photosynthesis – creates more carbon dioxide • Know rubisco (rubilose biphosphate) • 10.20 diagram • stomata – stomates must be open all day for long photosynthesis • disadvantage – respire – lose water from open stomates...
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- Spring '08
- Photosynthesis, light dependant reaction, ATP high energy, ATP Calvin Cycle