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Exam 7: The Control of Microbial Growth

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Exam 1: The Microbial World and You65 Questionsadd course
Exam 2: Chemical Principles65 Questionsadd course
Exam 3: Observing Microorganisms Through a Microscope65 Questionsadd course
Exam 4: Functional Anatomy of Prokaryotic and Eukaryotic65 Questionsadd course
Exam 5: Microbial Metabolism67 Questionsadd course
Exam 6: Microbial Growth65 Questionsadd course
Exam 7: The Control of Microbial Growth67 Questionsadd course
Exam 8: Microbial Genetics65 Questionsadd course
Exam 9: Biotechnology and Dna Technology64 Questionsadd course
Exam 10: Classification of Microorganisms65 Questionsadd course
Exam 11: The Prokaryotes: Domains Bacteria and Archaea60 Questionsadd course
Exam 12: The Eukaryotes: Fungi, algae, protozoa, and Helminths65 Questionsadd course
Exam 13: Viruses,viroids,and Prions66 Questionsadd course
Exam 14: Principles of Disease and Epidemiology65 Questionsadd course
Exam 15: Microbial Mechanisms of Pathogenicity63 Questionsadd course
Exam 16: Innate Immunity: Nonspecific Defenses of the Host65 Questionsadd course
Exam 17: Adaptive Immunity: Specific Defenses of the Host65 Questionsadd course
Exam 18: Practical Applications of Immunology65 Questionsadd course
Exam 19: Disorders Associated With the Immune System67 Questionsadd course
Exam 20: Antimicrobial Drugs65 Questionsadd course
Exam 21: Microbial Diseases of the Skin and Eyes65 Questionsadd course
Exam 22: Microbial Diseases of the Nervous System65 Questionsadd course
Exam 23: Microbial Diseases of the Cardiovascular and Lymphatic Systems65 Questionsadd course
Exam 24: Microbial Diseases of the Respiratory System65 Questionsadd course
Exam 25: Microbial Diseases of the Digestive System66 Questionsadd course
Exam 26: Microbial Diseases of the Urinary and Reproductive Systems65 Questionsadd course
Exam 27: Environmental Microbiology65 Questionsadd course
Exam 28: Applied and Industrial Microbiology65 Questionsadd course
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Figure 7.2 Assume 10⁹ E.coli cells/ml are in a flask. Figure 7.2 Assume 10⁹ E.coli cells/ml are in a flask. -Which graph in Figure 7.2 best depicts the effect of placing the culture in an autoclave for 15 minutes at time x? -Which graph in Figure 7.2 best depicts the effect of placing the culture in an autoclave for 15 minutes at time x?

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Question 61

Which of the following is the best method to sterilize heat-labile solutions?

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Question 62

Table 7.5 The following results were obtained from a use-dilution test of two disinfectants.Cultures were inoculated into tubes containing varying concentrations of the disinfectants,incubated for 10 min.at 20°C,and then transferred to growth media without disinfectant. (+ = growth;- = no growth) Table 7.5 The following results were obtained from a use-dilution test of two disinfectants.Cultures were inoculated into tubes containing varying concentrations of the disinfectants,incubated for 10 min.at 20°C,and then transferred to growth media without disinfectant. (+ = growth;- = no growth) -In Table 7.5,which disinfectant is most effective? Against which group of bacteria is Disinfectant A most effective? -In Table 7.5,which disinfectant is most effective? Against which group of bacteria is Disinfectant A most effective?

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Question 63

Ethylene oxide

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Question 64

Which of the following could be used to sterilize plastic Petri plates in a plastic wrapper?

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Question 65

Which of the following disinfectants acts by disrupting the plasma membrane?

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Question 66

The pH of the medium has no effect on the activity of the disinfectant being applied.

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