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Metabolism

Metabolism. Metabolism. Cell Structure. Energy for Living. ATP and Energy. ATP and Energy. ATP and Muscles. ATP +HOH --> ADP + P + Energy Relaxed muscle + energy --> contracted muscle. NAD+. ATP and Muscles. Oxidation of Ethanol with NAD+. FAD. FAD. Electron Transport.

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Metabolism

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  1. Metabolism

  2. Metabolism

  3. Cell Structure

  4. Energy for Living

  5. ATP and Energy

  6. ATP and Energy

  7. ATP and Muscles • ATP +HOH --> ADP + P + Energy • Relaxed muscle + energy --> contracted muscle

  8. NAD+

  9. ATP and Muscles

  10. Oxidation of Ethanol with NAD+

  11. FAD

  12. FAD

  13. Electron Transport

  14. Electron Transport

  15. Electron Transport

  16. FMN similar to FAD

  17. Electron Transport

  18. Electron Transport

  19. Cytochrome

  20. Electron Transport

  21. ATP Synthesis • 1.Electrons are transferred from NADH, through a series of electron carriers, to O2. • 2.Transfer of electrons bycarriers generates a (H+) gradient across the inner mitochondrial membrane. • 3. H+ diffuses back across the inner mitochondrial membrane, ATP is synthesized.

  22. How does ATP synthase work?

  23. How does ATP synthase work? • Works like a rotar. Every time three protons are pumped through the channel, the F1 subunit rotates 120 degrees.

  24. What happens at the end of electron transport? • The overall electron chain transport reaction is: • 2 H+ + 2 e- + 1/2 O2 ---> H2O + energy • Notice that 2 hydrogen ions, 2 electrons, and an oxygen molecule react to form as a product, water with energy released in an exothermic reaction.

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