Written and illustrated with unsurpassed clarity, Molecular Biology: Principles and Practice introduces fundamental concepts while exposing students to how science is done. The authors convey the sense of joy and excitement that comes from scientific discovery, highlighting the work of researchers who have shaped—and who continue to shape—the field today. The second edition addresses recent discoveries and advances, corresponding to our ever-changing understanding of molecular biology. There are numerous new figures and photos, along with significantly updated figures in every chapter. There are also new end-of-chapter questions for every chapter and many new Unanswered Questions. This textbook is available with LaunchPad.  LaunchPad combines an interactive ebook with high-quality multimedia content and ready-made assessment options, including Learning Curve adaptive quizzing.  See ‘Instructor Resources’ and ‘Student Resources’ for further information.