Microbiology: An Introduction
Microbiology: An Introduction
11th Edition
ISBN: 9780321733603
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case
Publisher: Benjamin Cummings
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Chapter 28, Problem 7R

The manufacture of paper includes the use of bleach and formaldehyde-based glue. The microbial enzyme xylanase whitens paper by digesting dark lignins. Oxidase causes the fibers to stick together, and cellulase will remove ink. List three advantages of using these microbial enzymes over traditional chemical methods for making paper.

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Please refer to the image below. Which of the following will leave no stain nor grease on paper after a few minutes of exposure to air? Click all answers that apply  Which of the following will leave a stain but NOT grease on paper after a few minutes of exposure to air? Click all answers that apply Which of the following will turn the paper translucent? Click all answers that apply
In dental offices, the instruments are cleaned in a supersonic bath, then sterilized using UV radiation.  Specifically explain how UV light kills bacteria.
After quick-characterization by staining, specialized growth media can be used to indicate further biochemical characteristics of an unknown organism. These tests use visual outcomes, such as colors, patterns, and changes in appearance. The results can be interpreted to then assign a characteristic to the unknown organism. For example, a color change may happen when an unknown organism is incubated in a mixed sugar broth. The color could indicate which sugar was (or was not) used by the bacterium for energy.   a) explain in your own words how to perform specialized media tests to find an unknown bacteria

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Microbiology: An Introduction

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