Microbiology: An Introduction (13th Edition)
13th Edition
ISBN: 9780134605180
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case, Derek Weber, Warner Bair
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 3, Problem 3A
Why isn’t the
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
Why isn’t the Gram stain used on acid-fast bacteria? If you did Gram stain acid-fast bacteria, what would their Gram reaction be? What is the Gram reaction of non-acid fast bacteria?
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 observed
In the Gram staining procedure, how do the dyes able to distinguish Gram positive from Gram negative bacterial cells?
What can you observe when you view a Gram stained-mixture of bacterial specimen?
Chapter 3 Solutions
Microbiology: An Introduction (13th Edition)
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
- You accidentally switch the Crystal violet and Safranin steps during your Gram stain. When you look under the microscope, what color will a Gram positive bacteria, like Staphylococcus aureus, be? Red/Pink Purple colorlessarrow_forwardWhat 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.arrow_forwardBacillus subtilis (Gram-positive) and Pseudomonas aeroginosa (Gram-negative) bacteria are heat-fixed on slide and subjected to Gram staining. What do you observe under the microscope when the following steps are skipped? Please explain.a. Staining with safraninb. Staining with Gram iodinec. Decolorizationarrow_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 is acid fast staining and why do we use gram staining more?arrow_forwardIllustrated Diagram: Make an illustrated diagram of a stepwise procedure for the performance of simple staining and gram staining. 2. Gram Stainingarrow_forward
- What color would gram positive cells appear if ghr safranin staining step was left out of staining procedure ? Why?arrow_forwardYou accidentally switch the Crystal violet and Safranin steps during your Gram stain. When you look under the microscope, what color will a Gram positive bacteria, like Staphylococcus aureus, be? a)red/pink b)purple c)colorlessarrow_forwardIllustrated Diagram: Make an illustrated diagram of a stepwise procedure for the performance of simple staining and gram staining. 1. Simple Stainingarrow_forward
- Enumerate the advantages derived from staining bacteria. In Gram staining method, list the reagents and state their role for each step of the procedure? In preparing bacterial smear, why do we need to pass the slide over the flame?arrow_forwardWhich type of stain would be the best choice for negative staining of most bacterial cells: a basic stain or an acidic stain?arrow_forwardWhat color are Gram negative cells after decolorizing with ethanol? What is the best age for your culture when performing a Gram stain? Why? Why is Gram staining considered a differential staining process? What are the primary and counterstain? What is the purpose for using a counterstain? What are some reasons a Gram positive cell might appear Gram negative? What color would a Gram negative cell be if you forgot to wash with ethanol and why? What color would a Gram negative cell be if you forgot to stain it with safranin and why?arrow_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