Microbiology

Objective: To test organism's ability to tolerate various osmotic concentrations. Test Procedure1. Use a sterile…
Objective: To test the organism's susceptibility to antibiotic penicillin. Test Procedure and Interpretation: See the…
Objective: To determine the organism's oxygen requirement. Test Procedure1. Inoculate 5 ml of BHI broth…
Objective: To determine the presence of the oxidase enzymes (e.g. cytochrome c oxidase). Test Procedure…
Objective: To test an organism's susceptibility to the chemical, optochin. Optochin susceptibility tests the fragility…
Objective: To test an organism's susceptibility to the antibiotic novobiocin. Test Procedure1. Streak a BHI…
Objective: To determine whether an organism is motile.   Test Procedure and Interpretation   1.…
Objective: To determine the ability of an organism to grow in 7.5% NaCl and ferment mannitol.…
Objective: Some pathogens are able to produce exoenzymes called hemolysins which lyse red blood cells and…
Objective: DNase mediates the hydrolysis of DNA. Methyl Green indicator is stable at pHs above…
Objective: To determine the ability of an organism to ferment (degrade) a specific carbohydrate in…
Objective: To determine if the organism is capable of breaking down starch into maltose through…
Many different tests have been devised over the years for classification of microorganisms into families,…
Objective: To determine the ability of an organism to reduce nitrate to nitrite which is…
Objective: To test for the presence of the enzyme catalase. Test Procedure1. If the plate…
Objective: To determine the ability of an organism to hydrolyze the glycoside esculin to esculetin…
Objective: To determine the ability of an organism to produce proteolytic-like enzymes (gelatinases) which break…
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