Enzymes

Enzymes are proteins produced by living organisms that catalyze biochemical reactions and facilitate the building or synthesizing of most compounds in the body. Each has a specific function; for example, the digestive enzyme lactase breaks down lactose (a sugar in milk) into glucose, which the body can absorb. They affect the rate at which chemical reactions occur in a cell. Their names generally end in the root ase as in polymerase and protease.