1 / 62

fig19-16

electron transport chain. fig19-16. fig19-17. proton-motive force. 23.6 kJ/mole H +. the coupling question…. chemiosmotic hypothesis!. the coupling question…. chemiosmotic hypothesis!. fig19-19. oxidative phosphorylation experiment. measure this. add this. fig19-20. ADP + P i.

vlad
Download Presentation

fig19-16

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. electron transport chain fig19-16

  2. fig19-17

  3. proton-motive force 23.6 kJ/mole H+

  4. the coupling question… chemiosmotic hypothesis!

  5. the coupling question… chemiosmotic hypothesis!

  6. fig19-19

  7. oxidative phosphorylation experiment measure this add this

  8. fig19-20

  9. ADP + Pi ATP oxidative phosphorylation experiment measure this add this

  10. fig19-20

  11. oxidation and phosphorylation are coupled!!! fig19-20

  12. oxidation and phosphorylation are coupled!!! fig19-20

  13. ADP + Pi ATP oxidative phosphorylation experiment measure this add this

  14. ADP + Pi ATP oxidative phosphorylation experiment remove this this stops

  15. ADP + Pi ATP oxidative phosphorylation experiment block ATPase this stops

  16. weak acid uncouplers high H+ low H+

  17. Weak acid uncouplers fig19-21

  18. Chemical uncouplers fig19-21

  19. Chemical uncouplers fig19-21

  20. Chemical uncoupler experiment fig19-20

  21. Proton gradient experiment fig19-22

  22. Ask… or txt: 858 914 4945

  23. ATP synthase: the F1 subunit

  24. ATP and ADP are in rapid equilibrium in the F1 ATPase fig19-23

  25. Energetics of ATP and ADP in F1 ATPase… fig19-24

  26. The “binding-change” model for ATP synthase fig19-25

  27. The “binding-change” model for ATP synthase fig19-25

  28. The “binding-change” model for ATP synthase fig19-26

  29. The F1 complex of the ATPase… fig19-25

  30. The F0F1 complex fig19-25

  31. The F0F1 complex soluble membrane fig19-25

  32. The F0F1 complex of the ATPase… fig19-25

  33. The F0F1 complex of the ATPase… fig19-25

  34. A direct test of the rotary mechanism fig19-25 Noji et al. 1997

  35. A direct test of the rotary mechanism

  36. Snapshots from the direct test of rotary mechanism… fig19-27

  37. The movie version of the book

  38. Ask… or txt: 858 914 4945

  39. Bacterial generation of H+ gradient by respiratory chain an ancient mode of ATP production

  40. “There’s more than one way to shrink a gradient…” fig19-39

  41. Inner membrane translocases (or transporters) fig19-28

  42. Glycerol 3-P shuttle fig19-30

  43. Malate-aspartate shuttle eeeeek! fig19-29

  44. Malate-aspartate shuttle NADH NAD+

  45. Malate-aspartate shuttle X

More Related