Organic compounds.Bioelements: mineral salts and water.Characteristics of carbon.Functional groups and classifica- tion of organic compounds.Nomenclature of o. c..Reactivity of o.c..Isomerism.Hydrocarbons: Generality, classifica- tion and nomenclature.Functional groups and o. c..Hydroxyl group: alcohols and phenols; polyols. Carbonyl group: aldehydes and ketones. Carboxylic group: acids, hydroxy acids and keto acids.Derivatives of acids: fatty esters and amides. Amino group: amine. Aromatic and heterocyclic compounds of biological interest. Carbohydrates: monosac- charides, disaccharides, polysaccharides, glicosides.Lipids: simple and complexes lipids. Proteins: amino acids, pepti- des, simple and conjugated: chromo, glyco,nucleo and lipoproteins.