For two-semester courses in General, Organic, and Biological Chemistry taken by allied health majors. Also suitable for one-semester courses with a comprehensive approach. A clear and friendly writing style, student-focused approach, and real-world, health-related applications have made Karen Timberlake a best-selling author in the allied health market. General, Organic, and Biological Chemistry: Structures of Life, Third Editionbreaks chemical concepts into bite-size pieces, with a step-by-step approach that provides clear and thorough understanding; conceptual questions at the end of each chapter test student comprehension of the material. The Third Edition is available with MasteringChemistrya , the most advanced chemistry homework and tutorial system available.