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Chapter 10 P h o t o s y n t h e s i s

Chapter 10 P h o t o s y n t h e s i s. Chapter 10 P h o t o s y n t h e s i s. Cellular respiration: C 6 H 12 O 6 + 6O 2 + 6H 2 O 6CO 2 + 12H 2 O +. Chapter 10 P h o t o s y n t h e s i s. Photosynthesis: C 6 H 12 O 6 + 6O 2 + 6H 2 O 6CO 2 + 12H 2 O +.

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Chapter 10 P h o t o s y n t h e s i s

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  1. Chapter 10Photosynthesis

  2. Chapter 10Photosynthesis Cellular respiration: C6H12O6 + 6O2 + 6H2O 6CO2 + 12H2O +

  3. Chapter 10Photosynthesis Photosynthesis: C6H12O6 + 6O2 + 6H2O 6CO2 + 12H2O +

  4. Chapter 10Photosynthesis Photosynthesis: C6H12O6 + 6O2 + 6H2O 6CO2 + 12H2O + H2O is oxidized CO2 is reduced

  5. Chapter 10Photosynthesis chloroplast

  6. Chapter 10Photosynthesis chloroplast thylakoid

  7. Chapter 10Photosynthesis chloroplast thylakoid granum

  8. Chapter 10Photosynthesis

  9. Chapter 10Photosynthesis intermembrane space stroma lumen

  10. Chapter 10Photosynthesis intermembrane space stroma NOT STOMA!! lumen

  11. Chapter 10Photosynthesis

  12. Chapter 10Photosynthesis

  13. Chapter 10Photosynthesis

  14. Chapter 10Photosynthesis ETC ETC Calvin cycle PS I PS II

  15. Chapter 10Photosynthesis ETC ETC Calvin cycle PS I PS II

  16. Chapter 10Photosynthesis ETC ETC Calvin cycle PS I PS II

  17. Chapter 10Photosynthesis H2O ETC ETC Calvin cycle PS I PS II O2

  18. Chapter 10Photosynthesis H2O ETC ETC Calvin cycle PS I PS II H+ O2

  19. Chapter 10Photosynthesis H2O ETC ETC Calvin cycle PS I ATP PS II H+ O2

  20. Chapter 10Photosynthesis H2O ETC ETC Calvin cycle PS I ATP PS II H+ O2

  21. Chapter 10Photosynthesis H2O ETC ETC Calvin cycle PS I ATP PS II H+ O2

  22. Chapter 10Photosynthesis H2O ETC NADH ETC Calvin cycle PS I ATP PS II H+ O2

  23. Chapter 10Photosynthesis H2O ETC NADH ETC Calvin cycle PS I ATP PS II H+ O2

  24. Chapter 10Photosynthesis CO2 H2O ETC NADH ETC Calvin cycle PS I ATP PS II H+ O2 glucose

  25. Chapter 10Photosynthesis Photo System II: • photon • energizes light harvesting complex • energizes P680 chlorophyll • releases e- to primary acceptor • water is split to replace e-, releasing H+ • e- is passed to ETC (Pq, cytochromes, Pc) • ETC makes ATP and brings in more H+.

  26. Chapter 10Photosynthesis Photo System I: • photon • energizes light harvesting complex • energizes P700 chlorophyll • releases e- to primary acceptor • ETC replaces e- • e- is passed to next ETC (ferredoxin) • NADP+ reductase makes NADPH.

  27. Chapter 10Photosynthesis Chemiosmosis: • just like in the mitochondria

  28. Chapter 10Photosynthesis Calvin cycle: In the stroma

  29. Chapter 10Photosynthesis phase I: carbon fixation RuBPcarboxylase (rubisco) PCCCCCP PCCCCCP PCCCCCP CO2CO2CO2

  30. Chapter 10Photosynthesis phase I: carbon fixation CO2CO2CO2 PCCCCCP PCCCCCP PCCCCCP

  31. Chapter 10Photosynthesis phase I: carbon fixation PCCCCCCP PCCCCCCP PCCCCCCP

  32. Chapter 10Photosynthesis phase I: carbon fixation PCCCCCCP PCCCCCCP PCCCCCCP not yet glucose

  33. Chapter 10Photosynthesis phase I: carbon fixation PCCCCCCP PCCCCCCP PCCCCCCP

  34. Chapter 10Photosynthesis phase II: reduction PCCCCCCP PCCCCCCP PCCCCCCP ATP ATP ATP ATP ATP ATP

  35. Chapter 10Photosynthesis phase II: reduction PCCCCCCP PCCCCCCP PCCCCCCP ATP ATP ATP ATP ATP ATP

  36. Chapter 10Photosynthesis phase II: reduction ADP ADPADPADPADPADP PCCCPPCCCP PCCCPPCCCP PCCCPPCCCP

  37. Chapter 10Photosynthesis phase II: reduction ADP ADPADPADPADPADP PCCCPPCCCP PCCCPPCCCP PCCCPPCCCP

  38. Chapter 10Photosynthesis phase II: reduction PCCCPPCCCP PCCCPPCCCP PCCCPPCCCP NADPH NADPH NADPH NADPH NADPH NADPH

  39. Chapter 10Photosynthesis phase II: reduction PCCCPPCCCP PCCCPPCCCP PCCCPPCCCP NADPH NADPH NADPH NADPH NADPH NADPH

  40. Chapter 10Photosynthesis phase II: reduction NADP+ NADP+ NADP+ NADP+ NADP+ NADP+ CCCPCCCP CCCPCCCP CCCPCCCP

  41. Chapter 10Photosynthesis phase II: reduction This is now glyceraldehyde-3-phosphate (G3P) CCCPCCCP CCCPCCCP CCCPCCCP

  42. Chapter 10Photosynthesis phase III: regeneration of RuBP CCCPCCCP CCCPCCCP CCCPCCCP

  43. Chapter 10Photosynthesis phase III: regeneration of RuBP CCCP CCCP CCCP CCCP CCCPCCCP

  44. Chapter 10Photosynthesis phase III: regeneration of RuBP CCCP CCCP CCCP CCCP CCCPCCCP ATP ATP ATP

  45. Chapter 10Photosynthesis phase III: regeneration of RuBP CCCP CCCP CCCP CCCP CCCPCCCP ATP ATP ATP

  46. Chapter 10Photosynthesis phase III: regeneration of RuBP ADP ADPADP PCCCCCP PCCCCCP PCCCCCPCCCP

  47. Chapter 10Photosynthesis phase III: regeneration of RuBP Back to the Calvin cycle PCCCCCP PCCCCCP PCCCCCPCCCP

  48. Chapter 10Photosynthesis phase III: regeneration of RuBP Half a sugar molecule PCCCCCP PCCCCCP PCCCCCPCCCP

  49. Chapter 10Photosynthesis Photorespiration • Rubisco can bind to O2 if there isn’t enough CO2 • Wastes energy • Evolutionary relic.

  50. Chapter 10Photosynthesis C4 versus C3 • Adaptation to dry conditions • PEP carboxylase • pyruvate → oxaloacetate • Corn and other grasses.

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