Nucleic acids, amino acids, proteins, lipids, and carbohydrates are the basic chemical molecules that are vital to life for all organisms, human and otherwise. They determine our genetic makeup, provide energy, and enable important chemical reactions. This volume delves into the structure, function, and interrelationships of these components of life. Sidebars on chemists, molecular biologists, and researchers link the biochemical discoveries of the past with the latest scientific advancements and their applications in health and medicine.