EBK BROCK BIOLOGY OF MICROORGANISMS
15th Edition
ISBN: 8220103633352
Author: Stahl
Publisher: PEARSON
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Chapter 28.8, Problem 1MQ
What advantage(s) does
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What is the purpose of acid-fast staining? What information can you gain from this procedure? Please explain.
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Chapter 28 Solutions
EBK BROCK BIOLOGY OF MICROORGANISMS
Ch. 28.1 - The use of personal protective equipment (PPE) is...Ch. 28.1 - Identify and discuss the standard safety...Ch. 28.1 - Prob. 1CRCh. 28.2 - Prob. 1MQCh. 28.2 - How can the spread of HAIs be controlled?Ch. 28.2 - Prob. 1CRCh. 28.3 - What are the key points necessary for proper...Ch. 28.3 - Identify culture methods and conditions used for...Ch. 28.3 - QWhy is it important to process clinical specimens...Ch. 28.4 - Describe the disc diffusion test and the Etest for...
Ch. 28.4 - What is the value of antimicrobial drug...Ch. 28.4 - QDescribe the disc diffusion test for antibiotic...Ch. 28.5 - Explain the reasons for changes in antibody titer...Ch. 28.5 - Describe the method, time frame, and rationale for...Ch. 28.5 - What advantages do monoclonal antibodies have...Ch. 28.5 - QWhy does antibody titer rise after infection? Is...Ch. 28.6 - How is the bivalence of antibodies significant for...Ch. 28.6 - What are the advantages and disadvantages of...Ch. 28.6 - Why are agglutination tests so widely used in...Ch. 28.7 - Prob. 1MQCh. 28.7 - Compare the advantages and disadvantages of EIA,...Ch. 28.7 - Prob. 1CRCh. 28.8 - What advantage(s) does nucleic acid amplification...Ch. 28.8 - How do quantitative PCR (qPCR) and qualitative PCR...Ch. 28.8 - Distinguish between quantitative and qualitative...Ch. 28.9 - Compare and contrast live attenuated vaccines,...Ch. 28.9 - Identify the advantages of alternative...Ch. 28.9 - QList the immunizations recommended for children...Ch. 28.10 - Prob. 1MQCh. 28.10 - How does the activity of each antibiotic class...Ch. 28.10 - What are the sources of aminoglycosides,...Ch. 28.10 - Antibiotics are chemically diverse antimicrobial...Ch. 28.11 - What steps in the viral maturation process are...Ch. 28.11 - Why are there fewer clinically effective...Ch. 28.11 - Why is host toxicity a common problem with...Ch. 28.12 - Identify the basic mechanisms of antibiotic...Ch. 28.12 - What does vancomycin have in common with...Ch. 28.12 - Prob. 3MQCh. 28.12 - What practices contribute to the spread of...Ch. 28 - Define the procedures you would use to isolate and...Ch. 28 - Prob. 2AQCh. 28 - Describe three important reasons why semisynthetic...Ch. 28 - Imagine yourself as a clinical microbiologist with...
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- What is the application of Gel Electrophoresis in healthcare? Cite at least 2 specific examples.arrow_forwardWhat are advantages and disadvantages of solid phase bioremediation technique?arrow_forwardWhat are the importance of accurate wavelength measurement in purified DNA sample? Explain why contaminants must be avoided in DNA samples.arrow_forward
- What is the basic principle of GPC (gel permeation chromatography)?arrow_forwardWhich of the following is/are true regarding the acid-fast stain? (There may be more than one correct answer.) Non-acid-fast microbes appear blue in a completed acid-fast stain. O Acid-fast cells retain the primary dye after treatment with acid-alcohol. O It is used to identify members of the genus Mycobacterium. V Acid-fast cells appear bright pink/red in a completed acid-fast stain. O If cells are acid-fast, they are gram-negative.arrow_forwardIn zone electrophoresis, why is it possible to isolate the components of a sample and recover them for identification? a) what influences the direction of migration of the components of a sample in zone electrophoresis?arrow_forward
- Your instructor asks you to isolate and identify the organisms in an unknown culture. You find that the culture contains two gramnegative bacilli that produce swarming colonies. What biochemical test would you use to identify the bacilli? Justify your answer.arrow_forwardBriefly discuss the difference between simple and differential staining? Which is better suited for common clinical microbiology laboratory applications?arrow_forwardWhat is FRAP (Fluorescence Recovery After Photobleaching)? Draw a graph of fluorescence versus time during FRAP. What does FRAP prove?arrow_forward
- Which of the following is true of the gel electrophoresis shown? A) the power source has not been turned on yet. B) the three wells contained the same DNA molecules. C) well #1 had fewer molecules of DNA than well #2 or #3 D) well #3 had more different sized molecules of DNA than well #1 or #2 Which of the following statements is TRUE about the band of molecules labeled X ( close to where it says positive electrode). A) it contains DNA fragments that are shorter than the ones in any of the other bands. B) it contains fewer DNA molecules than any of the other bands from lane 3. C) it contains more negatively charged particles than any other band on the gel. D) it contains fewer genes than any of the other bands on the gel.arrow_forwardWhat are the mechanisms of samples separation work in Thin layer Chromatography? Please shortly write at your own words. Answer should be to the point (5-6 lines maximum).arrow_forwardHow is fluorescence spectroscopy beneficial for pharmacological analysis ? Please shortly answer at your own words. Answer should be to the point(specific 4-5 lines).arrow_forward
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