Bacterial growth medium terms

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 ...

Anaerobic Bacteria Bacilli and Cocci

Bacterial Classification

bacterial colony morphology

bacterial colony morphology

The Indole reaction

different streak methods for bacterial plates

different streak methods for bacterial plates

Gram staining

Gram Staining for Bacteria

Klebsiella pneuomoniae mucus colonies

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 ...
Gram Staining Procedures

Gram Staining – Slide with cover slip method

Staphylococcus aureus on mannitol agar

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.
© 2026 Medical Laboratories. All rights reserved. Site Admin · Entries RSS · Comments RSS
Powered by WordPress · Powered by Medical Labs