Classification of lipids fatty acids, trighlycerides, glycosylglycerols, phospholipids, waxes, prostaglandins; Lipid micelles, monolayers and bilayers; Lipoprotein systems; Oxidation and synthesis of fatty acids; Choloesterol synthesis; Formation of ketone bodies. Integration of lipid metabolism; Acetic acid as a central precursor for biosynthesis of lipids.