State the function of the following extracellular enzymes; proteus, lipase, and amylase.
Proteus breaks down protein. Use a casein plate, a milk protein, if there is a clearing then the bacteria has this enzyme.
Lipase breaks down fats and lipids. Use tributyrin and look for clearing
Amylase breaks down starch. Use a starch plate, add iodine around border of the colony. Will turn blue.