This book is written for undergraduate and postgraduate students who have a basic knowledge in biological sciences and are interested in a future career in research and industry. The book provides an understanding of up-to-date information on the concerned topics in a simple, lucid and concise manner. It has been extensively updated and covers a large number of basic techniques and experiments in biochemistry and molecular biology which help the student's understanding of theory and practice. Each chapter includes an introduction to the techniques used and the basic biochemistry so as to link the text with the main course. The book can also be used as a complement to a standard theoretical text.