Understanding Biological Oxidation-Reduction Reactions and Coenzymes

Explore the fascinating world of biological oxidation-reduction reactions catalyzed by oxidoreductases. Coenzymes play a crucial role in these processes, facilitating the transfer of hydrogen atoms. NAD+ is a well-known coenzyme involved in accepting and donating hydrogen. Witness the oxidation of ethanol and learn about key compounds like Coenzyme A, garlic, and resveratrol. Dive into the mechanism of oxidation in living systems, converting C6H12O6 and O2 into CO2, H2O, and energy. Delve into the significance of dihydroxyacetone in biochemical pathways.

• Biological reactions
• Coenzymes
• Oxidation
• Redox
• NAD+

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Presentation Transcript

1. Chapter 12 repeat

3. Black tea

4. Biological Oxidation-Reduction Oxidoreductases catalyze biological redox reactions Coenzymes (organic molecules) are required to donate or accept hydrogen NAD+is a common coenzyme COO- H CH2 COO- + NAD+ 12.6 Oxidation and Reduction in Living Systems COO- H O C Malate dehydrogenase C CH2 COO- O + NADH + H+

5. Oxidation of ethanol

6. NAD

8. Green tea

9. Coenzyme A

10. Garlic

11. Resveratrol

12. Oxidation C6H12O6 + O2 ? CO2 + ?H2O + energy

13. Dihydroxyacetone