Entirely revised and updated, this edition provides comprehensive, in-depth coverage of the subject. Each chapter includes an overview, a thorough treatment of the topic, followed by a bibliography and questions and answers. Unique to this book is the inclusion of clinical correlations which describe clinical examples of the consequences of malfunctioning biochemical pathways. The book introduces the chemistry and structure of cells and proceeds with discussion on proteins, enzymes, membrane structure and function, bioenergetics, metabolism of carbohydrates, lipids, amino acids and nucleic acids. It also covers all aspects of molecular biology.