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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Textbook Question
Chapter 22, Problem 3Q
Give an example of a nonlaboratory use of each of the following methods to control microbial growth.
- Incineration:
- Pasteurization:
- Autoclaving:
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Rank the following methods used to control microbial growth from least effective (kills the least microbes) to most effective (can sterilize).
Use the "up" and "down" buttons to rearrange the items in the list.
Hydrogen peroxide used as a vapor on petri dishes.
Down
Cold water rinse of the skin without any soap.
Up Down
Hydrogen peroxide used on the skin.
Up Down
10% bleach solution used on kitchen counter tops.
Up
Propose a confirmatory procedure that will determine if the microbial growth recovered from canned food that displays no evidence of spoilage is from the canned product itself or from laboratory contamination
Media, such as Mueller-Hinton agar, that neither restricts the growth of certain microbes
nor distinguishes between the types microbes that do grow is:
Incorrect Answer:
B. Differential only
Correct Answer:
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C. General purpose
Rationale:
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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