Succeed in the course with BIOCHEMISTRY, 5E, International Edition. The authors' innovative conceptual and organizing "Essential Questions" framework guides you through course concepts in a way that reveals the beauty and usefulness of biochemistry in the everyday world. Offering a balanced and streamlined presentation, this edition has been updated throughout with new material and revised presentations. This book is integrated with OWL, a powerful online learning system for chemistry that will help you improve your grades and master course concepts.