This textbook ( Principles of Biochemistry ) includ eleven chapters: Chapter one included Biochemistry and Cell Membrane, chapter two included Water, chapter three included Carbohydrate, chapter four included Amino Acid and Peptides, chapter five included Proteins, chapter six included Lipids, chapter seven included Nucleotides and Nucleic Acid, chapter eight included Vitamins and Coenzymes, chapter nine included Enzymes, chapter ten included Bioenergetics and Oxidative Phosphorylation and chapter eleven included Hormones.