any of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactions

an enzyme that acts on fibrinogen in blood causing it to clot

an enzyme that catalyzes the hydrolysis of sucrose into glucose and fructose

an enzyme found in saliva and sweat and tears that destroys the cell walls of certain bacteria

general term for enzymes that catalyze the hydrolysis of nucleic acid by cleaving chains of nucleotides into smaller units

any of a group of enzymes that act as a catalyst in the hydrolysis of organic phosphates