A CHEMICAL BACKGROUND; The Structure and Properties of Matter; Energy; Atomic Structure; Combinations of Atoms; Chemical Equations and the Mole; The Three States of Matter; The Atom and Radioactivity; Radioactivity and the Living Organism; Reaction Rates and Chemical Equilibrium; Water, Solutions, and Colloids; Solution Concentrations; Acids and Bases; THE ELEMENTS NECESSARY FOR LIFE; Carbon and Hydrogen: Saturated Hydrocarbons; Carbon and Hydrogen: Unsaturated Hydrocarbons; Organic Compounds Containing Oxygen; Organic Compounds Containing Nitrogen; THE COMPOUNDS OF LIFE; Carbohydrates; Lipids; Proteins; Enzymes, Vitamins, and Hormones; Pathways of Metabolism; Nucleic Acids; Appendices; Glossary; Credits; Index.