The catalase test can be used to identify genus and species of a test organism. Observe the pictured result and answer the following question. A Catalase test was done on an unknown specimen. The organism tested is protected against oxygen radicals. The organism tested is probably an aerobe or a facultative anaerobe. The organism can convert hydrogen peroxide to water and oxygen. The organism is probably a strict anaerobe. The organism can convert hydrogen peroxide to hydrogen sulfide. Select ALL appropriate statements regarding the pictured Catalase test result.
The pH of the agar increased following incubation. To conduct this test the butt of the tube should be stabbed. A specimen was inoculated onto the Triple Sugar Iron (TSI) medium pictured here.īased on your observation of the pictured TSI (Triple Sugar Iron) medium, select ALL appropriate statements. To conduct this test the slant must be streaked. The bacterium is able to ferment lactose and/or sucrose. The bacterium is able to ferment glucose. The bacterium is unable to ferment lactose and/or sucrose. The pH of the agar decreased following incubation. A specimen was inoculated onto the Triple Sugar Iron (TSI) medium pictured here.īased on your observation of the pictured TSI (Triple Sugar Iron) medium select ALL appropriate conclusions. TERMS IN THIS SET (126) The pH of the agar decreased following incubation.
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