Microbiology: An Introduction
12th Edition
ISBN: 9780321929150
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 3, Problem 6R
Why is a mordant used in the
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
With what kind of gram stain do you use heat fixation? What is the purpose of heat fixation?
What solution do you use to wash a positive stain? A negative stain?
What staining technique is used here? What is the primary stain, decolorizing agent, and counter stain of this technique? Do we heat fix in here? Describe the organism with the blue color. Describe the organism with the bright pink color. Name the genus of bacteria with bright pink.
Why must young cultures be used when doing a Gram stain?
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...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- What is the purpose of iodine in the gram staining process? Explain.arrow_forwardIs heat fixation used on bacterial smears that will undergo a capsule stain or flagella stain procedure? Why or why not?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_forward
- Which step is the most crucial or most likely to cause poor results in the Gram stain?arrow_forwardWhat 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_forwardwhy does sometimes acid-fast bacteria accept the spore stain and spores accept the acid-fast stain.arrow_forward
- About the Gram staining technique, explain: What is the purpose of using lugol and alcohol in this type of coloring?arrow_forwardWhat is the function of a mordant, and which reagent serves this purpose in the Gram stain procedure?arrow_forwardCan the gram stain be observed using a form of microscopy other than light microscopy? Why or whynot?arrow_forward
- Why is it essential that the primary stain and the counterstain be contrasting colors in gram-staining?arrow_forwardAdditional Differential Staining Procedures: Negative stain, Capsule Stain, Endospore stain, Flagella stain. What is a positive and negative results of this procedures?arrow_forwardwhy is it necessary to employ a spore stain rather than rely on diagnosis of sporing from examination of gram stainarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Bacterial Structure and Functions; Author: Osmosis;https://www.youtube.com/watch?v=b15Hy3jCPDs;License: Standard youtube license