For each chapter, the Companion provides an introduction, learning objectives, additional problems, and expanded solutions to every problem in the text. A fully expanded companion Web site features online quizzing and all the answers to the additional companion problems.
Richard I. Gumport was professor emeritus of biochemistry, retired associate dean of the College of Medicine. Dr. Gumport had a particular interest in learning how enzymes and proteins interacted with DNA sequences. As professor emeritus, he continued to publish articles and mentor undergraduates.