BIOS Instant Notes in Biochemistry Fourth Edition is the perfect text for undergraduates looking for a concise introduction to the subject or a study guide to use before examinations. Each topic begins with a summary of essential facts-an ideal revision checklist-followed by a description of the subject that focuses on core information with clear simple diagrams that are easy for students to understand & recall in essays & exams. BIOS Instant Notes in Biochemistry Fourth Edition is fully up-to-date & covers: Cells Amino acids & proteins Studying proteins Enzymes Membranes & cell signalling DNA structure & replication RNA synthesis & processing Protein synthesis Recombinant DNA technology Carbohydrate metabolism Lipid metabolism Respiration & energy Nitrogen metabolism