I. Introductory Terms A. Metabolism B. 2 Types of Pathways 1. Catabolic Pathways 2. Anabolic Pathways C. Coupling of Pathways via Metabolism II. Organisms Transform Energy A. What is Energy (E)? B. 3 Types of E Important for Biological Systems 1. Kinetic E 2. Potential E 3. Chemical E C. E Transformations 1. 1st Law of Thermodynamics - Law of Conservation 2. 2nd Law of Thermodynamics - Law of Entropy D. Free Energy & Spontaneous Reactions 1. enthalpy 2. entrophy 3. temperature 4. enzymes 5. Examples in biology (delta G) 6. importance of metabolic disequilibrium III. Adenosine Trisphosphate A. Three types of Cellular Work 1. Mechanical work 2. Transport work 3. Chemical work B. ATP 1. Structure/Function 2. Hydrolysis to yield E 3. Phosphorylation 4. Regeneration