10. Streptococcus pyogenes produces ______ hemolysis on Blood Agar plates. 11. Staphylococcus aureus produces ______ hemolysis on Blood Agar plates. 12. Name three types of media we have used this semester that are both selective and differential. A. ______ Blood agar plate ______ B. ______ C. ______
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Selective media are designed to inhibit the growth of certain types of microorganisms while allowing the growth of others. Step 2: Recall the definition of differential media. Differential media are designed to distinguish between different types of Show more…
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Describe the three different type of hemolysis that are observed on blood agar. 2. What is a selective medium? 3. What is a differential medium? 4. Which media can be used to isolate E. coli samples from contaminated lettuce? 5. Which two media would be used to identify a sample taken from a patient with suspected gonorrhea? 6. Would you be able to grow a sample obtained from a patient's wound (suspected to be infected with MRSA) on EMB? Explain. 7. What is the color or TSI for Salmonella? 8. What is a fastidious organism?
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1. Describe the three different type of hemolysis that are observed on blood agar. 2. What is a selective medium? 3. What is a differential medium? 4. Which media can be used to isolate E. coli samples from contaminated lettuce? 5. Which two media would be used to identify a sample taken from a patient with suspected gonorrhea? 6. Would you be able to grow a sample obtained from a patient's wound (suspected to be infected with MRSA) on EMB? Explain. 7. What is the color or TSI for Salmonella? 8. What is a fastidious organism?
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Streptococcus pyogenes is inoculated to a blood agar plate with a Taxo A disc. You should expect to see: Alpha hemolysis and resistance to bacitracin Alpha hemolysis and sensitivity to bacitracin Beta hemolysis and resistance to bacitracin Beta hemolysis and sensitivity to bacitracin
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