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Microbiology

Critical Thinking

MicrobiologyCritical Thinking

Critical Thinking

40.

When plotting microbial death curves, how might they look different for bactericidal versus bacteriostatic treatments?

41.

What are the benefits of cleaning something to a level of cleanliness beyond what is required? What are some possible disadvantages of doing so?

42.

In 2001, endospores of Bacillus anthracis, the causative agent of anthrax, were sent to government officials and news agencies via the mail. In response, the US Postal Service began to irradiate mail with UV light. Was this an effective strategy? Why or why not?

43.

Looking at Figure 13.29 and reviewing the functional groups in Figure 7.6, which alkylating agent shown lacks an aldehyde group?

44.

Do you think naturally produced antimicrobial products like nisin and natamycin should replace sorbic acid for food preservation? Why or why not?

45.

Why is the use of skin disinfecting compounds required for surgical scrubbing and not for everyday handwashing?

46.

What are some advantages of use-dilution and in-use tests compared with the disk-diffusion assay?

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