Homework Assignment 9

Homework Assignment 9

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

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

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

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

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

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