Urease is a constitutively expressed enzyme that hydrolyzes urea to carbon dioxide and ammonia. Many organisms especially those that infect the urinary tract, have a urease enzyme that is able to...
Year: 2012
The oxidase test is a technique for detecting the presence of the terminal enzyme system in aerobic respiration called cytochrome C oxidase or cytochrome a3. Usually, the family Enterobacteriaceae...
I firmly believe that Microbiology is the most exciting subject, blended with many fascinating, funny small creatures invisible to the naked eyes of humans. The world of these tiny organisms is...
Pseudomonas aeruginosa: Infections, Pathogenesis and Lab Diagnosis
Pseudomonas aeruginosa is a gram-negative rod. Pseudomonas aeruginosa can resist high concentrations of salt, dyes, weak antiseptics, and many commonly used antibiotics. Most pseudomonads known to...
MCQ in Immunology (71-85): Basic Concepts Answers with Explanation
This is the collection of some multiple-choice questions to check your understanding of immunology; definitions, terms, concepts, etc. At the end of these Immunology MCQs, I also posted...
Counterimmunoelectrophoresis (CIE): Principle, Procedure, Uses
Counterimmunoelectrophoresis (CIE) is a modification of the Ouchterlony method that speeds up the migration of an antigen and antibody by applying an electrical current. Principle of CIE Test...