Question

fill in the blank question
sabourauds agar restricts the growth of bacteria and is an example of a(n) □ medium, whereas mannitol salt agar can determine which species of staphylococcus is present, making it an example of a(n) □ medium.
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Explanation:

1. For the first blank: Sabouraud's agar restricts bacterial growth (selectively allowing fungi, etc., to grow), so it's a selective medium. Selective media inhibit the growth of some microbes and promote others.
2. For the second blank: Mannitol salt agar differentiates between Staphylococcus species (e.g., by mannitol fermentation, which causes color change), so it's a differential medium. Differential media allow distinguishing between different microbial groups based on their reactions.

Answer:

First blank: selective
Second blank: differential