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Unformatted text preview: kJmolK GGRTGKGHatm −−− ′Δ=Δ+Δ=−+×Δ=−= ° Aerobic respiration: O 2 is the terminal electron acceptor o Diagrams of energy production ° Modes of nutrition o Where does the carbon come from? (heterotrophs vs. autotrophs) o Where does the energy come from? o What molecule is the electron donor? o What molecule is the electron acceptor? (aerobic vs. anaerobic respiration) + + °° ° °°° aA bBcCdD 2 4 2 44 H S OSHO = = + + °° ° °° ° ° CO 2 + H 2 O O 2 +CH 2 O Autotrophs Heterotrophs ° ° Bacterial photosynthesis o Anoxygenic bacterial photosynthesis came first ° Uses bacteriochlorophyll, not chlorophyll ° Does not produce oxygen ° Does not split water o Photoautotrophs (use CO 2 ) vs. photoheterotrophs (use organic compounds) o The Z scheme/oxygenic photosynthesis (noncyclic photosynthesis because electrons are not “recycled”) vs. cyclic photosynthesis o The Calvin cycle...
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- Fall '09
- Photosynthesis, energy production, electron acceptor