Some bacteria produce hemolysins, exotoxins that cause red blood cells (RBC’s) to burst open (hemolyse).When these bacteria are cultured on blood agar, this hemolysis is visible ...

Coagulase is an enzyme that catalyzes the formation of a fibrin clot in plasma. Obvious clumping of the bacteria indicates the bacteria produces bound caogulase. Staphylococcus aureus ...

Catalase is an enzyme that converts hydrogen peroxide into water and oxygen. The presence of catalase can be easily detected by the slide method. A drop of 3% hydrogen peroxide is ...