Microbiology: An Introduction (13th Edition)
13th Edition
ISBN: 9780134605180
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case, Derek Weber, Warner Bair
Publisher: PEARSON
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Textbook Question
Chapter 7, Problem 2R
If pasteurization does not achieve sterilization, why is pasteurization used to treat food?
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Chapter 7 Solutions
Microbiology: An Introduction (13th Edition)
Ch. 7 - The thermal death time for a suspension of...Ch. 7 - If pasteurization does not achieve sterilization,...Ch. 7 - Thermal death point is not considered an accurate...Ch. 7 - Prob. 4RCh. 7 - DRAW IT A bacterial culture was in log phase in...Ch. 7 - How do autoclaving, hot air, and pasteurization...Ch. 7 - How do salts and sugars preserve foods? Why are...Ch. 7 - Prob. 8RCh. 7 - A large hospital washes burn patients in a...Ch. 7 - Prob. 10R
Ch. 7 - Which of the following does not kill endospores?...Ch. 7 - Which of the following is most effective for...Ch. 7 - Prob. 3MCQCh. 7 - Which of the following cannot be used to sterilize...Ch. 7 - Prob. 5MCQCh. 7 - The data were obtained from a use-dilution test...Ch. 7 - The data were obtained from a use-dilution test...Ch. 7 - Prob. 8MCQCh. 7 - A classmate is trying to determine how a...Ch. 7 - Which of the following is most likely to be...Ch. 7 - Prob. 1ACh. 7 - For each of the following bacteria, explain why it...Ch. 7 - A use-dilution test was used to evaluate two...Ch. 7 - To determine the lethal action of microwave...Ch. 7 - Entamoeba histolytica and Giardia lamblia were...Ch. 7 - Between March 9 and April 12five chronic...Ch. 7 - Prob. 3CAE
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- What is the purpose of pasteurization in performing a simple fermentation process utilizing available raw materials such as fresh fruit and vegetables?arrow_forward_____ kills pathogens and some spoilage organisms but does not sterilize substances. _____ kills pathogens and some spoilage organisms but does not sterilize substances. Tyndallization Autoclaving Pasteurization Boilingarrow_forwardwhich of the following is best to sterilize heat-liable (sensitive) solutions? a, pasteurization b. autoclave c. dry heat d. filration e. none of the abovearrow_forward
- Aside from application of heat, name other methods of sterilization and give examples of materials sterilized in each methodarrow_forwardIf cultures are suffering severely due to alkaloid production and accumulation in the medium then, how can i overcome this problem?arrow_forwardWhich of the following would be best for sterilizing a pre-sealed case of plastic medical supplies? A. Autoclave B. Ionization Radiation C. Sonication D. Nonionizing Radiationarrow_forward
- UV light is used in clean rooms and some operating rooms. what are the limitations of using UV light as a means of sterilization?arrow_forwardDuring media preparation, you observed that the agar medium did not solidify after sterilization even after incubating it for 1 hour at room temperature. What could be the reason behind this?arrow_forwardChoose two from the following culture preservations that are best to use when only an ordinary refrigerator is available for storage: a) Drying b) Mineral oil overlay c) Freezing with liquid nitrogen d) Lyophilization e) Periodic transfer to fresh mediumarrow_forward
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