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Sort thes e ingredients into columns based on what they do. (Some answers may be

ID: 281359 • Letter: S

Question

Sort thes e ingredients into columns based on what they do. (Some answers may be listed more than once.) Media Gram Positive Sugars that pH Indicators Indicates H2S Sources Other Gas Production Nutrient that Change Color Detect Inhibitors Fermentation than Sugar Nutrient AgarNone NneNone MacConkey Crusta Methylane bl gep Eosin- Methylene Blue methylene blu Hektoen- Enteric Agar gest of qiakn Why do all four medias contain agar? Agar is used to nelp ted and grous tne, boctena. is indeocstible so the materia cannot eat through

Explanation / Answer

Ans> Nutrient agar does indicate H2S production by blackening lead acetate paper.

Inoculate organism inside Nutrient agar and then take lead acetate inside the test tube and plug it and incubate it at 35-37 degree C. look for Blackening.

Blackening provides Postive test for H2S production by the organism.

No Blackening means negative test or no H2S production by the Organism you test for.

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