The biological importance of enzymes becomes apparent as this program vividly reveals how enzymes work to sustain life. Two-dimensional models are animated and used to illustrate enzyme activity and the factors affecting enzyme activity. The narration provides a concise and step-by-step approach to learning about enzymes, to ensure student comprehension of this involved subject. Topics include: Where are Enzymes Produced?, Where Do Enzymes Act?, Chemical Reaction, Catalyst, Substrates, Energy of Activation, Enzyme Nomenclature, Enzyme Structure, Factors Affecting Enzyme Activity, and more. HYBRID CD-ROM