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What is a halotolerant microbe

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Antibiotic Sensitivity-Kirby Bauer Diffusion Test Exercise: Kirby-Bauer Diffusion Testing

Questions

A. Explain the difference between bactericidal and bacteriostatic antibiotics.

B. Based on the results from your experiment, rank the antibiotics from the most effective to the least in controlling S. epidermidis.

C. How do the results compare to your hypothesis? Explain why your hypothesis was/was not supported by the results.

Environmental Influences on Microbial Growth - Salt Tolerance Testing Exercise: Salt Tolerance Testing

Questions

A. Identify three environmental influences on microbial growth. How does each affect microbial distribution?

B. What is a halotolerant microbe? How do halotolerant microbes differ from halophiles?

C. Based on your experimental results, categorize each microbe as preferring isotonic environments, being halotolerant, or as a halophile.

D. S. cerevisiae occurs in nature on ripe fruit. S. epidermidis naturally occurs on human skin. How do your experimental results relate to the natural environment of each microbe?

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Reference no: EM131655307

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