Catalase Test
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 ...
Bacteria Classified by Cellular Respiration
1: Obligate aerobes need oxygen because they cannot ferment or respire anaerobically. They gather at the top of the tube where the oxygen concentration is highest.
2: Obligate anaerobes ...
Gram-negative Bacilli of Klebsiella pneumoniae
Klebsiella pneumoniae is a Gram-negative, non-motile, encapsulated, lactose fermenting, facultative anaerobic, rod shaped bacterium found in the normal flora of the mouth, skin, and ...
Staphylococcus aureus on mannitol agar mannitol agar
s.aureus is positve for fermenting mannitol
note the complete changing in color of the agar
compare with the other post of s. epidermidis.








