Microbiology with Diseases by Body System (4th Edition)
4th Edition
ISBN: 9780321918550
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
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Textbook Question
Chapter 6, Problem 7MC
Organisms that preferentially may thrive in icy waters are described as
- a. barophiles
- b. thermophiles
- c. mesophiles
- d. psychrophiles
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Students have asked these similar questions
What is the proper term for an organism whose optimum growth range is between 20 and 50C but can grow well at refrigerator temperatures?
a. psychrophile
b. psychrotroph
c. hypophiles
d. psychrobot
Match the type of bacterium with its environment. Select your answers from the choices provided (A to E). Choose the best answer.
6. psychrotroph
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Chapter 6 Solutions
Microbiology with Diseases by Body System (4th Edition)
Ch. 6 - Why should cardiac nurses and respiratory...Ch. 6 - Cavities Gone Wild Five-year-old Daniel appears to...Ch. 6 - Why do clinical laboratory scientists keep many...Ch. 6 - Boils in the Locker Room For several weeks,...Ch. 6 - Some students transfer some gunk from a 2-week-old...Ch. 6 - Which of the following can grow in a Petri plate...Ch. 6 - In the laboratory, a sterile inoculating loop is...Ch. 6 - Superoxide dismutase _____________. a. causes...Ch. 6 - The most reactive of the four toxic forms of...Ch. 6 - Microaerophiles that grow best with a high...
Ch. 6 - Prob. 6MCCh. 6 - Organisms that preferentially may thrive in icy...Ch. 6 - Prob. 8MCCh. 6 - Which of the following terms best describes an...Ch. 6 - In a defined medium, ______________. a. the exact...Ch. 6 - Which of the following is most useful in...Ch. 6 - Which of the following methods is best for...Ch. 6 - A Coulter counter is a(n) ________________. a....Ch. 6 - Lyophilization can be described as ___________. a....Ch. 6 - Quorum sensing is _____________. a. the ability to...Ch. 6 - Prob. 1FIBCh. 6 - Prob. 2FIBCh. 6 - Prob. 3FIBCh. 6 - Prob. 4FIBCh. 6 - Prob. 5FIBCh. 6 - Fill in the Blanks 6. Cells that shrink in...Ch. 6 - Fill in the Blanks 7. Obligate ________ exist in...Ch. 6 - Prob. 8FIBCh. 6 - Fill in the Blanks 9. Microbes that reduce N2 to...Ch. 6 - Fill in the Blanks 10. A student observes a...Ch. 6 - Fill in the Blanks 11. Chemolithotrophs acquire...Ch. 6 - Prob. 1VICh. 6 - Prob. 2VICh. 6 - High temperature affects the shape of particular...Ch. 6 - Support or refute the following statement:...Ch. 6 - Explain quorum sensing, and describe how it is...Ch. 6 - Why must media, vessels, and instruments be...Ch. 6 - Why is agar used in microbiology?Ch. 6 - What is the difference between complex media and...Ch. 6 - Draw and label the four distinct phases of a...Ch. 6 - If there are 47 cells in 1 l of sewage, how many...Ch. 6 - Prob. 9SACh. 6 - Prob. 10SACh. 6 - Explain the differences among photoautotrophs,...Ch. 6 - Contrast the media described in Tables 6.3 and 6.4...Ch. 6 - How does a chemostat maintain a constant...Ch. 6 - A scientist describes an organism as a...Ch. 6 - Pasteurization is a technique that uses...Ch. 6 - Two cultures of a facultative anaerobe are grown...Ch. 6 - Some organisms require riboflavin (vitamin B2) to...Ch. 6 - A scientist inoculates a bacterium into a complex...Ch. 6 - How can regions within biofilms differ in their...Ch. 6 - A scientific article describes a bacterium as an...Ch. 6 - Prob. 8CTCh. 6 - Prob. 9CTCh. 6 - Starting with 10 bacterial cells per milliliter in...Ch. 6 - Suppose you perform a serial dilution of 0.1-ml...Ch. 6 - How might the study of biofilms benefit humans?Ch. 6 - The filamentous bacterium Beggiatoa gets its...Ch. 6 - Given that Haemophilus ducreyi is a...Ch. 6 - Examine the graph in Figure 6.3. Note that the...Ch. 6 - Prob. 16CTCh. 6 - Using the terms in Figure 6.8a, describe the...Ch. 6 - Prob. 18CTCh. 6 - Prob. 19CTCh. 6 - Prob. 20CTCh. 6 - Prob. 21CTCh. 6 - Prob. 22CTCh. 6 - Viable plate counts are used to estimate...Ch. 6 - Prob. 1CM
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- Superoxide ion is toxic to strict anaerobes because they lacka. catalase b. peroxidase c. dismutase d. oxidasearrow_forwardAn obligate halophile requires higha. pH b. temperature c. salt d. pressurearrow_forwardSelect the correct answer from the answers provided. Psychrophiles would be expected to grow a. in hot springs c. at refrigeration temperatures b. on the human body d. at low pHarrow_forward
- Is oxygen a requirement for the growth of all organisms? Describe the following in terms of oxygen need.arrow_forwardAn obligate anaerobe A has the necessary enzymes to process toxic oxygen products B does not require oxygen in its metabolism, but can tolerate its presence . C lacks the enzymes necessary for processing toxic oxygen products. D grows in high pressure environments.arrow_forwardWhich of the following groups of microbes is most likely to be associated with humans? A psychrophiles. B thermophiles C hyperthermophiles D mesophiles.arrow_forward
- Microbes that can survive and thrive in extreme environments are called extremophiles. In this context, what term is the most accurate to describe the microbes that can grow in salty wastewater? Acidophiles Psychrophiles Thermophiles O Halophilesarrow_forward7) Psychrophiles, thermophiles, halophiles, and acidophiles are defined by their unique abilities to thrive in, respectively, environments that are extremely Group of answer choices salty, cold, hot, acidic hot, cold, salty, acidic cold, hot, salty, basic hot, cold, acidic, salty cold, hot, salty, acidicarrow_forwardA microbe causing a bloodstream infection is likely all of the following except A. A chemotroph B. A parasite C. A heterotroph D. A thermophilearrow_forward
- The term psychrophile? a. refers to an organism that has an optimum growth within the range of -5 to 20oC b. refers to an organism that has an optimum growth at near neutral pHc. refers to an organism that has an optimum growth between 50 and 80oCarrow_forwardBacteria that prefer to grow at room temperature at low pH are: Mesophilic acidophiles Microaerophilic alkalophiles Psycrophilic neutraphiles Thermophilic acidophilesarrow_forward1. Which of the following micro-organisms are the most resistant to heat sterilization? a. Vegetative bacteria (e.g., Samonella spp.) b. Spore-forming mesophilic bacteria (e.g., Clostridium botulinum) c. Spore-forming thermophilic bacteria (e.g., Bacillus stearothermophilus) d. Toxicogenic bacteria (e.g., E. coli O157:H7) e. All of the above are equally resistant to heat sterilization.arrow_forward
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