Laboratory Experiments in Microbiology (12th Edition) (What's New in Microbiology)
12th Edition
ISBN: 9780134605203
Author: Ted R. Johnson, Christine L. Case
Publisher: PEARSON
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Chapter 22, Problem 4Q
Define the term pasteurization. What is the purpose of pasteurization?
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Choose the combination of answers that most accurately completes the statement.Microbe(s) that is/are the target(s) of pasteurization include(s) a. Clostridium botulinum c. Salmonella species b. Mycobacterium species d. both b and c
Chapter 22 Solutions
Laboratory Experiments in Microbiology (12th Edition) (What's New in Microbiology)
Ch. 22 - Prob. 1QCh. 22 - Prob. 2QCh. 22 - Give an example of a nonlaboratory use of each of...Ch. 22 - Define the term pasteurization. What is the...Ch. 22 - Explain why fungi and Bacillus sometimes grow...Ch. 22 - Assume that a DRT value for autoclaving a culture...Ch. 22 - Indicators are used in autoclaving to ensure that...Ch. 22 - A biological indicator used in autoclaving is a...Ch. 22 - The source of Legionella causing...
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- ) A cyclic exposure of a liquid to heat and cold defines: a) Sterilization b) Disinfection c) Autoclaving d) Incineration e) Pasteurizationarrow_forwarddescribe the 3 processes that use moist heat methods specifying time and temperature for each: pasteurization autoclaving tyndallizationarrow_forwardWhat is Pasteurization? What are the methods used?Give the meaning of UHT & HTSTarrow_forward
- Why is it important to become familiar with the microbiology laboratory's apparatus and equipment?arrow_forwardUse the following diagram to explain how Pasteur’s swan-necked flasks prevent contamination of sterile broth the flasks.Describe what happens to the sterile broth (a) after it has beenallowed to cool as in (b). What happens to the broth after theflask has been tipped enough to let the broth come in contactwith the dust and microorganisms and is tipped back as in (c)?arrow_forwardName and explain the culture media that can be used for cultivating non-specific and specific microorganism? b. can culture medium be placed in a freezer? why or why notarrow_forward
- Microbe(s) that is/are the target(s) of pasteurization includea. Clostridium botulinum. b. Mycobacterium species. c.Salmonella species. d. both band c.arrow_forwardmention any three fluids used in cleaning lense in the microbiology laboratoryarrow_forwardCompare and contrast various types of pasteurization technique, considering the temperature and time required.arrow_forward
- What are the primary purposes of pasteurization, and what isultrapasteurization?arrow_forwardOven sterilization of aqueous culture medium. Effect: Rationale:arrow_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
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