1 Bond type and bond strength; 2 Hydrocarbons: alkanes, alkenes, aromatics and alkylhalides; 3 Amines; 4 Neutral and acidic nitrogen compounds; 5 Oxygen- and sulphur-containing functional groups; 6 Protein structure and its relevance to drug action; 7 DNA structure and its importance to drug action; 8 Drug absorption, distribution, metabolism and excretion; 9 Structure, activity and drug design; 10 Drugs affecting the adrenergic system; 11 Drugs exerting non-adrenergic effects on cardiac output and vascular tone; 12 Drugs interacting with mammalian enzymes; 13 Central nervous system depressants; 14 Analgesics; 15 Local anaesthetics; 16 Anti-cholinergic agents; 17 Anti-histamine drugs ;18 CNS stimulants and CNS-active drugs affecting the serotonergic system; 19 Drugs affecting haemostasis and thrombosis; 20 Drugs affecting the endocrine system; 21 Anticancer drugs; 22 Antimicrobial chemotherapy: A. Antibiotics. B. Antituberculosis drugs; 23 Antiviral drugs; 24 Antifungal chemotherapy; 25 Antiparasitic drugs; 26 Vitamins and minerals; 27 Biotechnologically produced products; 28 Drug and gene delivery systems; 29 Alcohol