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Biochemistry

Biochemistry. Lecture 2. Bioenergetics. “The study of energy transductions in living cells” Biological processes obey the laws of thermodynamics, i.e.: Energy isn’t created or destroyed Entropy of the system always increases. Cell. Products. Reactants. +. 6. 6. +. 6. Thermodynamics.

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Biochemistry

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  1. Biochemistry Lecture 2

  2. Bioenergetics • “The study of energy transductions in living cells” • Biological processes obey the laws of thermodynamics, i.e.: • Energy isn’t created or destroyed • Entropy of the system always increases Cell Products Reactants

  3. + 6 6 + 6 Thermodynamics

  4. Structural differences between products and reactants Concentration differences between products and reactants At equilibrium, ΔG = 0 and Q becomes Keq or Free Energy in Bioenergetics

  5. Organic Chemistry, revisited

  6. Nucleophilic Bond Formation

  7. Phosphate and ATP

  8. ATP Hydrolysis

  9. Oxidation and Reduction

  10. Electron Carriers

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