Prescott's Microbiology
10th Edition
ISBN: 9781259281594
Author: Joanne Willey, Linda Sherwood Adjunt Professor Lecturer, Christopher J. Woolverton Professor
Publisher: McGraw-Hill Education
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Chapter 39.1, Problem 3MI
Summary Introduction
Pathogenic streptococci are characterized by a heterogeneous group of Gram-positive bacteria. One of the most important bacterial pathogens in this group is Streptococcus pyogenes. Streptococcus pyogenes belongs to group A, β-hemolytic streptococci that play a major role in developing both invasive and non-invasive infections in humans. The pathogenic group A streptococci (GAS) secretes various exotoxins, which play a crucial role in developing bacterial virulence. The virulence factor enables the bacteria to attach to the host cells, evade the immune response, and thereby spreads the host cells by penetration.
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Chapter 39 Solutions
Prescott's Microbiology
Ch. 39.1 - What organisms serve as the environmental...Ch. 39.1 - How is the M protein also thought to be involved...Ch. 39.1 - Prob. 3MICh. 39.1 - Why do you think chlamydiae differentiate into...Ch. 39.1 - Compare and contrast the means by which people...Ch. 39.1 - Prob. 1.3RIACh. 39.1 - What are the three major causes of meningitis? Why...Ch. 39.1 - Prob. 2.2RIACh. 39.1 - What is the reason for the complex antibiotic...Ch. 39.1 - How do multidrug-resistant strains of tuberculosis...
Ch. 39.1 - Prob. 3.1RIACh. 39.1 - What is the mechanism by which PTx kills host...Ch. 39.1 - Prob. 3.3RIACh. 39.1 - Describe the streptococcal exotoxins and how they...Ch. 39.1 - Prob. 4.2RIACh. 39.2 - What are the three stages of Lyme disease? What...Ch. 39.2 - Prob. 1RIACh. 39.2 - Prob. 2RIACh. 39.2 - Prob. 3RIACh. 39.2 - Prob. 4RIACh. 39.2 - How does transovarian passage occur?Ch. 39.3 - What are the chief differences between tuberculoid...Ch. 39.3 - How does H. pylori increase the local pH in its...Ch. 39.3 - Prob. 3MICh. 39.3 - Prob. 4MICh. 39.3 - Prob. 5MICh. 39.3 - Prob. 1.1RIACh. 39.3 - Why do you think the slow growth rate of M. leprae...Ch. 39.3 - Prob. 2.1RIACh. 39.3 - Prob. 2.2RIACh. 39.3 - Prob. 2.3RIACh. 39.3 - Prob. 2.4RIACh. 39.3 - Prob. 2.5RIACh. 39.3 - Prob. 3.1RIACh. 39.3 - Prob. 3.2RIACh. 39.3 - What is the difference between S. aureus and MRSA?Ch. 39.3 - Prob. 3.4RIACh. 39.3 - Prob. 3.5RIACh. 39.3 - Prob. 3.6RIACh. 39.4 - How do the neurological effects of botulinum toxin...Ch. 39.4 - To which E. coli class does the strain 0157:H7...Ch. 39.4 - How can Clostridium botulinum cause disease even...Ch. 39.4 - Compare the gastroenteritis caused by Vibrio...Ch. 39.4 - Prob. 2.1RIACh. 39.4 - Compare toxigenic E. coli disease with invasive...Ch. 39.4 - Prob. 2.3RIACh. 39.4 - Prob. 3.1RIACh. 39.4 - Prob. 3.2RIACh. 39.4 - Prob. 3.3RIACh. 39.5 - Prob. 1MICh. 39.5 - Prob. 1RIACh. 39.5 - Prob. 2RIACh. 39.5 - How is ornithosis transmitted?Ch. 39.5 - Prob. 4RIACh. 39.6 - What cells and tissues make up the pseudomembrane?Ch. 39.6 - Prob. 2MICh. 39.6 - Prob. 1RIACh. 39.6 - In both C. difficileassociated disease and...Ch. 39.6 - Prob. 3RIACh. 39 - Describe a typhoid carrier. How does one become a...Ch. 39 - Many consider cholera as the most severe form of...Ch. 39 - Compare the three stages of syphilis and Lyme...Ch. 39 - While many Vibrio cholerae strains are found in...Ch. 39 - The spirochete Borrelia burgdorferi causes Lyme...
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