Micro Biology > EXAM > STRAIGHTERLINE Microbiology BIO 250L Lab 4 Selective Media & Agar 2022 COMPLETE LAB WORKSHEET (All)
STRAIGHTERLINE Microbiology BIO 250L Lab 4 Selective Media & Agar 2022 COMPLETE LAB WORKSHEET
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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 diffe... rential? Why?” Mannitol because this makes it differential because of the staphylococcus aureus can ferment it. “3. What purpose does phenol red serve in MSA?” pH indicator. “4. Why are the nutrient agar plates used in this experiment? [Show More]
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