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 Reactants Products

3. Thermodynamics + 6 +6 6

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

7. Organic Chemistry, revisited

8. Nucleophilic Bond Formation

9. Phosphate and ATP

10. ATP Hydrolysis

11. Oxidation and Reduction

12. Electron Carriers