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Hinton Scholars Program

Hinton Scholars Program. Photosynthesis. Fig. 10-5-1. H 2 O. Light. NADP +. ADP. +. P. i. Light Reactions. Chloroplast. Fig. 10-5-2. H 2 O. Light. NADP +. ADP. +. P. i. Light Reactions. ATP. NADPH. Chloroplast. O 2. Fig. 10-5-3. CO 2. H 2 O. Light. NADP +. ADP. +.

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Hinton Scholars Program

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  1. Hinton Scholars Program Photosynthesis

  2. Fig. 10-5-1 H2O Light NADP+ ADP + P i Light Reactions Chloroplast

  3. Fig. 10-5-2 H2O Light NADP+ ADP + P i Light Reactions ATP NADPH Chloroplast O2

  4. Fig. 10-5-3 CO2 H2O Light NADP+ ADP + P i Calvin Cycle Light Reactions ATP NADPH Chloroplast O2

  5. Fig. 10-5-4 CO2 H2O Light NADP+ ADP + P i Calvin Cycle Light Reactions ATP NADPH Chloroplast [CH2O] (sugar) O2

  6. Evolution of Chloroplasts and Mitochondria

  7. Why are most (but not all) plants green? Violet and Blue are best transmitted through clear water. http://commons.wikimedia.org/wiki/File:Dew_on_green_Plant.jpg http://en.wikipedia.org/wiki/Chloroplast http://www.pion.cz/en/article/electromagnetic-spectrum

  8. Fig. 10-18-1 Stomata What are stomata? What do they do? Beginning of the Calvin Cycle! http://www.hisse.net/forum/showthread.php?t=26901&page=11

  9. C4 Plants Fig. 10-19 The C4 pathway Mesophyll cell CO2 PEP carboxylase PEP hydroxylase binds to CO2 more strongly than rubisco. It will even bind CO2 at low concentrations. 3C 4C 3C Bundle- sheath cell These steps are isolated into different cells/compartments. CO2 Calvin Cycle Sugar Vascular tissue http://www.hisse.net/forum/showthread.php?t=26901&page=11

  10. CAM Plants Fig. 10-20 Stomata are closed during the day, but open at night to let in CO2. These steps are temporally separated. http://www.hisse.net/forum/showthread.php?t=26901&page=11

  11. Fig. 10-18-3 Input (Entering one at a time) 3 CO2 Phase 1: Carbon fixation Rubisco 3 P P Short-lived intermediate 6 P 3 P P Ribulose bisphosphate (RuBP) 3-Phosphoglycerate 6 ATP 6 ADP 3 ADP Calvin Cycle 6 P P 3 ATP 1,3-Bisphosphoglycerate 6 NADPH Phase 3: Regeneration of the CO2 acceptor (RuBP) 6 NADP+ 6 P i P 5 G3P 6 P Glyceraldehyde-3-phosphate (G3P) Phase 2: Reduction 1 P Glucose and other organic compounds Output G3P (a sugar)

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