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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Textbook Question
Chapter 35.1, Problem 3RIA
Why would a psychrophile not be a human pathogen?
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Chapter 35 Solutions
Prescott's Microbiology
Ch. 35.1 - MICRO INQUIRY What physical and chemical methods...Ch. 35.1 - MICRO INQUIRY During which stages does the host...Ch. 35.1 - Define infection, infectious disease,...Ch. 35.1 - What factors determine the outcome of most...Ch. 35.1 - Why would a psychrophile not be a human pathogen?Ch. 35.1 - What are some important characteristics of a...Ch. 35.1 - Prob. 5RIACh. 35.1 - How would you determine the ID50 of a suspected...Ch. 35.1 - What is an obligate intracellular pathogen? How...Ch. 35.1 - Prob. 8RIA
Ch. 35.2 - Describe several specific adhesins by which...Ch. 35.2 - What are virulence factors?Ch. 35.2 - What are pathogenicity islands and why are they...Ch. 35.2 - Prob. 4RIACh. 35.2 - What is a biofilm? How is it a virulence factor?Ch. 35.3 - Prob. 1RIACh. 35.3 - Define droplet nuclei, vehicle, fomite, and...Ch. 35.3 - Prob. 3RIACh. 35 - Prob. 1CHICh. 35 - Prob. 2CHICh. 35 - Prob. 3CHICh. 35 - Prob. 4CHICh. 35 - Prob. 5CHICh. 35 - Prob. 6CHI
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- Diseases that involve biofilm-producing bacteria are serious concern. They are not easily treated compared with those involving free-floating bacteria. Explain three reasons why biofilm formers are more pathogenic.arrow_forwardWhy mightproteorhodopsin make a bacterium such as Pelagibacter morecompetitive in its habitat?arrow_forwardDiseases that involve biofilm-producing bacteria are of serious concern. They are not as easily treated compared with those involving free-floating (or planktonic) bacteria. Explain three reasons why biofilms can be more pathogenic.arrow_forward
- clostridium botulinum is a bacterium usually present in soil that may cause botulism. Briefly explain why one or few cells of a pathogenic bacterium, such as clostridium botulism, by itself typically does not secrete a toxin, despite the species as a whole being characterized as toxin producing.arrow_forwardBacteria that prefer to grow at room temperature at low pH are: Mesophilic acidophiles Microaerophilic alkalophiles Psycrophilic neutraphiles Thermophilic acidophilesarrow_forwardExplain why gram negative bacteria in general are more toxic than gram positive bacteria.arrow_forward
- Why is it incorrect to say that bacteria produce toxins to harm their host?arrow_forwardA microbe is only capable of growth at pH range of 8.5-10 in the presence of atmospheric levels of oxygen. Which statements are correct? Mark all that apply. A.)The microbe is likely to be a human pathogen B.)The microbe is a mesophile C.)The microbe is an obligate aerobe D.) The microbe is an alkiliphilearrow_forwardThis bacteria is commonly found in soil and water, and can cause otitis externa (aka swimmers ear). Pseudomonas aeruginosa Streptococcus pyogenes Staphylococcus aureus Staphylococcus epidermidisarrow_forward
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