DS10 - Cyclic electron transfer Light dependent rxn...

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Respiratioon: Carbonhydrate ( glucose ) + 6 O2 6 CO2 + 6H2O + 36ATP Photosynthesis: 6 CO2 + 12H2O Carbonhydrate ( glucose ) + 6H2O + 6 O2
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Photosynthesis Respiratioon: Carbonhydrate ( glucose ) + 6 O2 6 CO2 + 6H2O + 36ATP Photosynthesis: 6 CO2 + 12H2O Carbonhydrate ( glucose ) + 6H2O + 6 O2 Two major processes ? (where does it happen?) PS1, PS2 ? Photosynthetic pigments ? Wavelength ? Input? Output ? Key steps, key regulatory enzyme ? ATP, NADPH ? Other pathways ?
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chloroplast
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Photosynthesis: Input: 6 CO2 + 18ATP + 12NADPH + 12H2O Output: Carbonhydrate (C6H12O6) + 18ADP + 18Pi + 12NADP+ 6H2O + 12H+ 6 O2 Key regulatory step, enzyme: Input: 3CO2 + 3 (ribulose bisphosphate) 6 (3-phosphoglyercate) Rubisco (RuBP carboxylase and oxygenase) [CO2],[O2],[Mg2+],pH,NADPH
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Noncyclic electron transfer
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Unformatted text preview: Cyclic electron transfer Light dependent rxn C3,C4,CAM • C3 plants: – C3 pathway – Fix CO2 to 3-C sugar, – by Rubisco, (affinity to CO2 and O2) – Rice, wheat • C4 plants: – C3 (bundle sheath cells) – C4 (mesophyll) – Fix CO2 to 3C or 4C sugar – minimize photorespiration – by PEP (low affinity to O2), Rubisco – Corn, sugarcane • CAM plants – C3 (day) mesophyll – C4 (night) mesophyll – Fix CO2 to 4-C sugar 3-C sugar – Pineapple, cacti, desert plants comparison • Cell mitosis • http://www.youtube.com/watch?v=VGV3fv-uZYI&feature=watch_response • Cell meiosis • http://www.youtube.com/watch?v=uh7c8YbYGqo&feature=related...
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This note was uploaded on 08/31/2010 for the course BIO 49810 taught by Professor Satasivan during the Spring '10 term at University of Texas.

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DS10 - Cyclic electron transfer Light dependent rxn...

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