Brock Biology of Microorganisms (14th Edition)
14th Edition
ISBN: 9780321897398
Author: Michael T. Madigan, John M. Martinko, Kelly S. Bender, Daniel H. Buckley, David A. Stahl, Thomas Brock
Publisher: PEARSON
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Chapter 27.18, Problem 1MQ
Summary Introduction
Antibiotics are antimicrobial substances act against various bacteria. Antibiotics are mainly used to treat or prevent microbial infections. Antibacterial medications can kill or suppress the bacterial growth. Antimicrobial resistance is the major problem in treating bacterial infections. Antimicrobial drug resistance is known as the acquired ability of the microorganism or bacterium to resist the effect of the antimicrobial drug. Antibiotic drug resistance may lead to the continuous development of novel drugs through design and discovery.
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The Snapdragon is a popular garden flower that comes in a variety of colours, including red, yellow, and orange. The genotypes and associated phenotypes for some of these flowers are as follows:
aabb: yellow
AABB, AABb, AaBb, and AaBB: red
AAbb and Aabb: orange
aaBB: yellow
aaBb: ?
Based on this information, what would the phenotype of a Snapdragon with the genotype aaBb be and why?
Question 21 options:
orange because A is epistatic to B
yellow because A is epistatic to B
red because B is epistatic to A
orange because B is epistatic to A
red because A is epistatic to B
yellow because B is epistatic to A
A sample of blood was taken from the above individual and prepared for haemoglobin analysis. However, when water was added the cells did not lyse and looked normal in size and shape. The technician suspected that they had may have made an error in the protocol – what is the most likely explanation?
The cell membranes are more resistant than normal.
An isotonic solution had been added instead of water.
A solution of 0.1 M NaCl had been added instead of water.
Not enough water had been added to the red blood cell pellet.
The man had sickle-cell anaemia.
A sample of blood was taken from the above individual and prepared for haemoglobin analysis. However, when water was added the cells did not lyse and looked normal in size and shape. The technician suspected that they had may have made an error in the protocol – what is the most likely explanation?
The cell membranes are more resistant than normal.
An isotonic solution had been added instead of water.
A solution of 0.1 M NaCl had been added instead of water.
Not enough water had been added to the red blood cell pellet.
The man had sickle-cell anaemia.
Chapter 27 Solutions
Brock Biology of Microorganisms (14th Edition)
Ch. 27.1 - Prob. 1MQCh. 27.1 - Prob. 2MQCh. 27.2 - Prob. 1MQCh. 27.2 - How can the spread of HAIs be controlled?Ch. 27.3 - MINIQUIZ
• Identify culture methods and conditions...Ch. 27.3 - Prob. 2MQCh. 27.4 - Prob. 1MQCh. 27.4 - Prob. 2MQCh. 27.5 - Prob. 1MQCh. 27.5 - Prob. 2MQ
Ch. 27.6 - Prob. 1MQCh. 27.6 - Prob. 2MQCh. 27.7 - Prob. 1MQCh. 27.7 - Prob. 2MQCh. 27.8 - MINIQUIZ
• Explain and compare direct and indirect...Ch. 27.8 - MINIQUIZ
• Why can fluorescent antibodies be used...Ch. 27.9 - MINIQUIZ
• Compare indirect EIA, direct EIA, and...Ch. 27.9 - MINIQUIZ
• Compare the advantages and...Ch. 27.10 - MINIQUIZ
• What advantage does nucleic acid...Ch. 27.10 - MINIQUIZ
• How do qPCR and qualitative PCR...Ch. 27.11 - MINIQUIZ
• Explain the concept of selective...Ch. 27.11 - Prob. 2MQCh. 27.12 - Prob. 1MQCh. 27.12 - MINIQUIZ
• What is a broad-spectrum antibiotic?
Ch. 27.13 - Prob. 1MQCh. 27.13 - Prob. 2MQCh. 27.14 - Prob. 1MQCh. 27.14 - Prob. 2MQCh. 27.15 - Prob. 1MQCh. 27.15 - MINIQUIZ
• What steps in the viral maturation...Ch. 27.16 - Prob. 1MQCh. 27.16 - Prob. 2MQCh. 27.17 - MINIQUIZ
• Identify the six basic mechanisms of...Ch. 27.17 - Prob. 2MQCh. 27.18 - Prob. 1MQCh. 27.18 - Prob. 2MQCh. 27 - Prob. 1RQCh. 27 - Prob. 2RQCh. 27 - REVIEW QUESTIONS
3. Describe the standard...Ch. 27 - REVIEW QUESTIONS
4. Why is it important to process...Ch. 27 - REVIEW QUESTIONS
5. Differentiate between...Ch. 27 - REVIEW QUESTIONS
6. Describe the disc diffusion...Ch. 27 - REVIEW QUESTIONS
7. Why does the antibody titer...Ch. 27 - REVIEW QUESTIONS
8. Agglutination tests are widely...Ch. 27 - REVIEW QUESTIONS
9. How are fluorescent antibodies...Ch. 27 - REVIEW QUESTIONS
10. Enzyme immunoassays (EIAs)...Ch. 27 - REVIEW QUESTIONS
11. Why is the immunoblot...Ch. 27 - REVIEW QUESTIONS
12. Distinguish between...Ch. 27 - Prob. 13RQCh. 27 - Prob. 14RQCh. 27 - Prob. 15RQCh. 27 - Prob. 16RQCh. 27 - Prob. 17RQCh. 27 - Prob. 18RQCh. 27 - Prob. 19RQCh. 27 - Prob. 20RQCh. 27 - Prob. 1AQCh. 27 - Prob. 2AQCh. 27 - Prob. 3AQCh. 27 - Prob. 4AQ
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