Microbiology: An Introduction
12th Edition
ISBN: 9780321929150
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case
Publisher: PEARSON
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Chapter 3, Problem 8R
Summary Introduction
Introduction:
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Chapter 3 Solutions
Microbiology: An Introduction
Ch. 3 - Fill in the following blanks. 1. 1 m = ________ m...Ch. 3 - Prob. 2RCh. 3 - Prob. 3RCh. 3 - Prob. 4RCh. 3 - Prob. 5RCh. 3 - Why is a mordant used in the Gram stain? In the...Ch. 3 - Prob. 7RCh. 3 - Prob. 8RCh. 3 - Fill in the following table regarding the Gram...Ch. 3 - NAME IT A sputum sample from Calle, a 30-year-old...
Ch. 3 - Through the microscope, the green structures are...Ch. 3 - Prob. 2MCQCh. 3 - Carbolfuchsin can be used as a simple stain and a...Ch. 3 - Prob. 4MCQCh. 3 - Which of the following is not a functionally...Ch. 3 - Which of the following pairs is mismatched? 1....Ch. 3 - Assume you stain Clostridium by applying a basic...Ch. 3 - Prob. 8MCQCh. 3 - In 1996, scientists described a new tapeworm...Ch. 3 - Prob. 10MCQCh. 3 - Prob. 1ACh. 3 - Prob. 2ACh. 3 - Why isnt the Gram stain used on acid-fast...Ch. 3 - Endospores can be seen as refractile structures in...Ch. 3 - In 1882, German bacteriologist Paul Erhlich...Ch. 3 - Laboratory diagnosis of Neisseria gonorrhoeae...Ch. 3 - Assume that you are viewing a Gram-stained sample...
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- Can the gram stain be observed using a form of microscopy other than light microscopy? Why or whynot?arrow_forwardThis part of the staining process helps the primary stain to remain in the cell during decolorization. O 1) Secondary stain O 2) primary stain O 3) counterstain O 4) fixing reagent O 5) mordantarrow_forwardWhat is the type of gram stain?arrow_forward
- What is the function of the mordant used in the Gram staining procedure? If the iodine step is skipped, what color are Gram-negative cells observedarrow_forwardWhich step of the gram stain procedure is most critical?why?arrow_forwardWhy is it essential that the primary stain and the counterstain be contrasting colors in gram-staining?arrow_forward
- Are the structural differences between the cell walls of Gram-positive and Gram-negative bacteria responsible in any way for the Gram stain reaction?arrow_forwardWhat would be the result of the gram stain if acid alcohol is used as a decolorizer rather than the gram decolorizer?arrow_forwardWhat is the purpose of iodine in the gram staining process? Explain.arrow_forward
- How are negative stains prepared?Name two applications for which this type of stain especially useful?arrow_forwardWhy is it important to perform a gram stain for any type of bacteria? After performing the gram stain method what would be the next step? (Think in terms of the real-world situation) Explain.arrow_forwardIs it possible to perform double or triple staining using fluorescent dyes? Explain.arrow_forward
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