Differential media are not useful for isolation of microbes. bacteria scientists didn't use this type of media in determining the metabolism of a microbe.
Differential media contain substances that enable microorganisms to be visually discriminated from one another based on the look of the colony or the surrounding media, typically due to some biochemical difference between the two groups.
Differential media are used to distinguish between groupings of species or closely related organisms. The organisms will create distinctive modifications or growth patterns that are used for identification or differentiation as a result of the presence of specific dyes or chemicals in the media.
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