Laboratory Experiments in Microbiology (12th Edition) (What's New in Microbiology)
12th Edition
ISBN: 9780134605203
Author: Ted R. Johnson, Christine L. Case
Publisher: PEARSON
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Textbook Question
Chapter 19, Problem 1CT
Bergey’s Manual describes Streptococcus and Escherichia as facultative anaerobes. How do the oxygen requirements of these organisms differ? Which one could correctly be called an aerotolerant anaerobe?
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Chapter 19 Solutions
Laboratory Experiments in Microbiology (12th Edition) (What's New in Microbiology)
Ch. 19 - Can aerobic bacteria grow in the absence of O2 ?...Ch. 19 - Prob. 2QCh. 19 - Why will obligate anaerobes grow in thioglycolate?Ch. 19 - To what do you attribute the odors of anaerobic...Ch. 19 - Bergeys Manual describes Streptococcus and...Ch. 19 - Prob. 2CTCh. 19 - The catalase test is often used clinically to...Ch. 19 - Prob. 1CA
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- A chemolithoautotroph is respiring using only iron (Fe3+) and nitrite (NO2-). This bacterium does not consume organic molecules. . Describe one possible problem that may occur if this organism grows in the presence of oxygenarrow_forwardI need to find two gram positive and two gram negative pathogenic bacteria that may be classified as being facultative anaerobes. What tissues or organs do these bacteria target in the human body? Why is it to their advantage to be able to use either aerobic respiration or anaerobic respiration/fermentation?arrow_forwardDetermine the following about Corynebacteria diphtheria..... Determine the microbes possible mechanism(s) of cellular respiration. Do they perform aerobic respiration or anaerobic respiration? Are they capable of performing fermentation?arrow_forward
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- Escherichia coli O157:H7 is a foodborne pathogen and can cause serious illness in humans by producing toxins that can severely damage the lining of intestines and kidneys. What are the oxygen requirements of coli? What result would you observe in the MTM agar deep test? Explain. Research on the growth requirements of this bacterium is required. What is the role of oxygen and cytochrome c oxidase in aerobic respiration? Why does the nitrate reduction tube turn red after the addition of zinc? Clostridium tetani is a common soil bacterium and causes tetanus. Would you expect tetani to possess the enzyme catalase? Explain. Research on the growth requirements of this bacterium is required.arrow_forwardhttps://courses.lumenlearning.com/microbiology/chapter/controlling-microbial-growth/ Read this Article about Controlling Microbial Growth and answer the following questions: What are some characteristics of microbes and infectious agents that would require handling in a BSL-3 laboratory? What is the purpose of degerming? Does it completely eliminate microbes? What are some factors that alter the effectiveness of a disinfectant?arrow_forwardWhich of the following groups of bacteria require or will use oxygen for respiration i. obligate aerobes ii. facultative anaerobes iii. obligate anaerobes iv. microaerophile v. aerotolerant anaerobe i & iv ii. & iv Oi&ii i, ii, iv ii & ivarrow_forward
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