Chapter 3 - Tools of the Laboratory - Critical Thinking Questions - Bloom's Levels 3, 4, and 5: Apply, Analyze, and Evaluate - Page 78: 4

Functional type of mannitol salt agar is selective and differential, This agar is very salty, which inhibits the growth of microbes. However, Staphylococcus can thrive in high salt environments, hence they form colonies. The species are distinguish by color indicator, because acid producing species ferment the agar, which turns its color to yellow.

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