Welcome to GENES IX! This Web site provides a wealth of information to enrich your study of molecular biology, while you delve into Benjamin Lewin's classic text. An interactive glossary and flashcards help you locate and learn key terms and topics from throughout the book, and chapter summaries reinforce important information you have already read in the text. Animations illustrate in words and pictures structures and processes integral to molecular biology. Links to valuable material on the Internet will open doors to the cutting edge molecular research that is revolutionizing the way we look at life itself today. We hope this Web site enhances your learning experience and encourages you to pursue the fascinating and complex world of molecular biology in your future studies.