The position of applied research in nonindustrial laboratories; Production of enzymes; Selection of bacteria as sources of enzymes; Industrial approach to enzyme production; The microbial production of enzymes; Production of enzymes and proteins in tissue culture; Exploitation of soluble and insolubilized enzymes; Industrial application of imobilized enzymes: present state of the art; A comparison of cells and enzymes as industrial catalysts;"Togetherness" through immobilization; Chemically modified polymers containing isocyanide functional groups as supports for enzyme immobilization; Effectiveness of enzyme-membrane filtration reactores; Exploitation of multienzyme systems for synthesis; Biotransformation of steroid hormones and antibiotics; Medical applications of proteins and enzymes; Zinc biochemistry: a perspective on the role of the metal in normaland abnormal growth processes; Novel application for antibodies; Applications of immobilized enzymes in analysis; Some economic, enzymological, and practical problems in the technological and analytical application of immobilized enzymes; Some medical applications of immobilized proteins and enzymes; Proteins as food; Interaction of food proteins with water and with lipids, and some effects of these interactions on functional properties; Muscle and connective tissue proteins as food.