This is an introductory course in biochemistry. It covers carbohydrates; their stereo-isomers, and configuration; function and structure, monosaccharides, reducing and non-reducing, sugar derivatives, oligosaccharides, and polysaccharides, storage, functional and structural polysaccharides. Lipids; fatty acids, triglycerides, phospholipids, sphingolipids, derived lipids, lipoproteins and steroids. Introduction about nucleic acids, nitrogenous bases. Introduction to hormones and vitamins, etc. with special emphasis on macromolecules structures and functions.