The chemical biology of carbon Introduction to Carbon Chemical Biology; Olefin and Alkyne Functional Groups; C O Bond Formation and Reactivity: A Family of Related Functional Groups; Carbon Sulfur Bonds: Adding to Functional Group Inventory; Carbon Nitrogen Functional Groups; Purines and Pyrimidines: Essential Nitrogen Heterocycles; Carbacyclic Metabolites: Alicyclic and Aromatic Rings in Chemical Biology; Heterocycles I; Heterocycles in Chemical Biology II: Vitamins; Routes That Make and Break C H and C C Bonds In Vivo I: Carbanion Generation; Routes to Make and Break C C Bonds II: Carbon Electrophiles; Carbon Radicals; Cascades vs Concerted Reactions; Glucose Chemical Biology; C C Bonds in Biosynthesis: Squalene and the Sterol Biosynthetic Pathway; Chemical Biology of the Nitrogen Heterocycle Porphobilinogen in Tetrapyrrole Macrocycle Biosynthesis