A certain medium has the following composition: Glucose                15 g Yeast extract      5 g Peptone                5 g KH2PO4                2 g Distilled water    1,000 ml Tell what chemical category this medium belongs to, and explain why this is true. How could you convert Staphylococcus medium (table above) into a non-synthetic medium? a. What kind of medium might you make to selectively grow a bacterium that lives in the ocean?

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