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 53, Problem 5Q
Why is the membrane filter technique useful for a sanitarian working in the field?
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Chapter 53 Solutions
Laboratory Experiments in Microbiology (12th Edition) (What's New in Microbiology)
Ch. 53 - Prob. 1QCh. 53 - Will E. coli grow on Enterococcus agar, and will...Ch. 53 - Why can filtration be used to sterilize culture...Ch. 53 - Prob. 4QCh. 53 - Why is the membrane filter technique useful for a...Ch. 53 - Design an experiment to detect the presence and...Ch. 53 - A water sample could be negative for Enterococcus...
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- Which medium is well-indicated to amplify a small population of bacteria mixed with much larger bacterial colonies?arrow_forwardWhat role do biofilms play in trickling filters?arrow_forwardIn microbiology, are there techniques that can help make Bacterial Culture and Sensitivity done faster?arrow_forward
- if an unknown bacterial slide appears to be in fading color and the shape of the specimen seems to be diffused. what troubleshooting of the focusing is needed in order to see the bacteria clearly?arrow_forwardWhat is the importance of employing aseptic techniques? Give an example of a situation in the laboratory that might happen when this method is not practiced.arrow_forwardWhy is it necessary to inoculate the KIA medium all the way down to the bottom of the tube during inoculation?arrow_forward
- What are two advantages of filtration in microbial control? Explain how the filtration process works.arrow_forwardWhat makes a culture media as SELECTIVE? Explain and provide examples of selective type of culture media.arrow_forwardWhat is the difference between culture-based technique and culture-independent techniques based on the principle behind the method?arrow_forward
- On what medium is the membrane filter incubated? Describe the appearance of coliforms on this medium.arrow_forwardWhat are the advantanges and disadvantages of using stained preparations for observing microbial cell morphology?arrow_forwardList the step-by-step procedure of Gram staining.arrow_forward
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