Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Chapter 22, Problem 3TYU
Summary Introduction
Introduction:
S. aureus (Staphylococcus aureus) is a gram positive bacterium which causes skin infection in humans. Penicillin was the first antibiotic to treat S. aureus infections but within a period of two years, the bacterium develops resistance to penicillin and then Methicillin was used as an antibiotic against S. aureus. After two years, the organism S. aureus again develops the strains which were resistant to Methicillin.
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All of the following can be side effects of antimicrobialagents EXCEPT:(a) “Superinfections” can occur with new pathogens whendefensive capacity of normal flora is destroyed(b) Host toxicity(c) Disruption of normal microflora in host(d) Host allergic reaction(e) Host “superimmunity”
Match the PAMP to the type of pathogen it is specific to.
1) Peptidoglycan
2) Lipopolysaccharides
3) RNA
4) DNA
Here is the options:
a) Gram-negative bacteria
b) Viruses
c) Gram-positive bacteria
The antibiotic susceptibility testing results of Staphylococcus showed zones of inhibition (absence of growth on zones) around discs of Penicilin, Teracycline, chloramphenicol, this means that
a) S. aueres is resistant to all these antibiotics.
b) S. aueres is susceptible to all these antibiotics.
c) susceptible to only a couple of them
d) neither are the correct choices
Chapter 22 Solutions
Campbell Biology
Ch. 22.1 - How did Hutton's and Lyell's ideas influence...Ch. 22.1 - MAKE CONNECTIONS Scientific hypotheses must be...Ch. 22.2 - How does the concept of descent with modification...Ch. 22.2 - WHAT IF? If you discovered a fossil of an extinct...Ch. 22.2 - Prob. 3CCCh. 22.3 - Explain how the following Statement is inaccurate:...Ch. 22.3 - How does evolution account for (a) the similar...Ch. 22.3 - Prob. 3CCCh. 22 - Why was the age of Barth important for Darwin's...Ch. 22 - Describe how overreproduction and heritable...
Ch. 22 - Summarize the different lines of evidence...Ch. 22 - Level 1: Knowledge/Comprehension 1. Which of the...Ch. 22 - Which of the following observations helped Darwin...Ch. 22 - Prob. 3TYUCh. 22 - Prob. 4TYUCh. 22 - DNA sequences in manv human genes are very similar...Ch. 22 - EVOLUTION CONNECTION Explain why anatomical and...Ch. 22 - SCIENTIFIC INQUIRY DRAW IT Mosquitoes resistant...Ch. 22 - WRITE ABOUT A THEME: INTERACTIONS Write a Short...Ch. 22 - SYNTHESIZE YOUR KNOWLEDGE This honeypot ant (genus...
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