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Description:This was a urease test for taxonomic identification of Mycobacterium spp..
If a pink color develops, as was the case in tubes #1 and 2, activity is present, and the test is positive. If there is no color change, or the color changes to yellow, as in the case of tubes #3 and 4, then urease activity is absent, and the test is negative.
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Content Providers(s):CDC/ Dr. George Kubica
Creation Date:1976
Photo Credit:
CDC Organization
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Copyright Restrictions:None - This image is in the public domain and thus free of any copyright restrictions. As a matter of courtesy we request that the content provider be credited and notified in any public or private usage of this image.