MicroBiology assignment 09

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Module 09 Homework Assignment

· Use the information presented in the module folder along with your readings from the textbook to answer the following questions.

1. Explain and differentiate between sterilization and commercial sterilization. What organism does commercial sterilization aim to destroy?

1. Describe three (3) different physical methods of controlling microbial growth:

1. Describe three (3) different chemical methods of controlling microbial growth:

1. Briefly summarize the 4 (four) different Biosafety levels. Give examples of microorganisms studied in each level:

1. What is the Kirby Bauer Disc diffusion method? How it is used to determine antibiotic efficacy?