1 / 24

Energy review

Energy review. Chapters 8-10. Chapter 8. Endergonic Exergonic Anabolic Catabolic Enzyme substrate complex Allosteric site Cofactors Redox reactions. Chapter 8. ATP Ribose sugar Adenine 3 phosphates. Cellular respiration (Chapter 9). Reactants Glucose, oxygen Products

donaldcdavis
Download Presentation

Energy review

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. Energy review Chapters 8-10

  2. Chapter 8 • Endergonic • Exergonic • Anabolic • Catabolic • Enzyme substrate complex • Allosteric site • Cofactors • Redox reactions

  3. Chapter 8 • ATP • Ribose sugar • Adenine • 3 phosphates

  4. Cellular respiration (Chapter 9) • Reactants • Glucose, oxygen • Products • ATP, carbon dioxide, water • 3 stages • Glycolysis, Kreb cycle, ETC

  5. Glycolysis • Cytoplasm • Glucose (6 carbons) • Add phosphates • Split G3P • Pyruvate (3 carbons) • 2 NADH • 2 ATP • Substrate phosphorylation

  6. Oxidation of pyruvate • Acetyl CoA • NADH • Carbon dioxide • Pyruvate dehydrogenase

  7. Fig. 9-10 CYTOSOL MITOCHONDRION NAD+ NADH + H+ 2 1 3 Acetyl CoA Coenzyme A Pyruvate CO2 Transport protein

  8. Kreb cycle • Matrix • Acetyl CoA • OAA • Citrate • 6 CO2 • 2 ATP • 8 NADH, 2 FADH2

  9. ETC • Chemiosmosis • ATP synthase • Oxidative phosphorylation

  10. Fermentation

  11. Regulation • Phosphofructokinase • Pyruvate dehydrogenase • Citrate synthetase

  12. Photosynthesis (Chapter 10) • Reactants • CO2, water, light energy • Products • O2, glucose • Stages • Light reactions • Dark reactions (Calvin cycle)

  13. Fig. 10-21 H2O CO2 Light NADP+ ADP P + i Light Reactions: Photosystem II Electron transport chain Photosystem I Electron transport chain RuBP 3-Phosphoglycerate Calvin Cycle ATP G3P Starch (storage) NADPH Chloroplast O2 Sucrose (export)

  14. Light reactions • Photosystem II (680 nm) • ATP, O2 • Photosystem I (700) • NADPH • Thylakoid membranes • Pigments • Chlorophyll a & b, carotenoids

  15. Electron transport chain Fig. 10-13-5 Primary acceptor Primary acceptor 4 7 Electron transport chain Fd e– Pq 2 e– 8 e– e– NADP+ + H+ H2O Cytochrome complex 2 H+ NADP+ reductase + 3 NADPH O2 1/2 Pc e– e– P700 5 P680 Light Light 1 6 6 ATP Pigment molecules Photosystem I (PS I) Photosystem II (PS II)

  16. Fig. 10-17 STROMA (low H+ concentration) Cytochrome complex Photosystem I Photosystem II Light 4 H+ NADP+ reductase Light 3 Fd NADP+ + H+ NADPH Pq Pc e– 2 e– H2O O2 1/2 1 THYLAKOID SPACE (high H+ concentration) 4 H+ +2 H+ To Calvin Cycle Thylakoid membrane ATP synthase STROMA (low H+ concentration) ADP + ATP P i H+

  17. Calvin cycle • Rubisco • CO2 • G3P • RuBP • Stroma • Photorespiration

  18. 3 CO2 Carbon fixation Fig. 10-UN2 3  5C 6  3C Calvin Cycle Regeneration of CO2 acceptor 5  3C Reduction 1 G3P (3C)

  19. Similarities • ATP synthase • Chemiosmosis • ETC • Cyclic • ATP • Glucose

  20. Fig. 10-16 Mitochondrion Chloroplast MITOCHONDRION STRUCTURE CHLOROPLAST STRUCTURE Diffusion H+ Thylakoid space Intermembrane space Electron transport chain Inner membrane Thylakoid membrane ATP synthase Stroma Matrix Key ADP + P i ATP Higher [H+] H+ Lower [H+]

More Related