A bacterial culture is being tested for its ability to reduce nitrate. After incubation and growth of the bacteria in nitrate broth, there is no accumulation of gas in the Durham tube. The test for the presence of nitrite is colorless. When zinc powder is added, a bright red color develops. Interpret these results.
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A bacterial culture is being tested for its ability to reduce nitrate. After incubation and growth o...
Social Studies, 01.07.2020 15:01