Exam (elaborations)
STRAIGHTERLINE BIO250L Lab 4 Selective Media & Agar 2022
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1. What substance in MSA confers selectivity? Why?” High sodium chloride. This makes it very selective because it kind of makes difficult for bacteria to grow. “2. What substance makes MSA differential? Why?” Mannitol because this makes it differential because of the staphylococcus aureus ...
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