Question

fill in the blank question
the medium whose recipe is shown below is a
medium.
27.5 grams\tbrain, heart extract, peptone extract
2 grams\tglucose
5 grams\tsodium chloride
2.5 grams\tdisodium hydrogen phosphate
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Explanation:

The medium contains brain/heart extract and peptone extract (which provide nutrients like amino acids, vitamins, etc.), along with glucose (energy source), sodium chloride, and disodium hydrogen phosphate (buffering/ionic balance). Since it has complex organic nutrients from extracts, it's a complex medium (as opposed to a defined medium where all components and their concentrations are known precisely; here, the extracts have undefined, complex mixtures of nutrients).

Answer:

complex