Microbiology Fundamentals: A Clinical Approach
3rd Edition
ISBN: 9781259709227
Author: Marjorie Kelly Cowan Professor, Heidi Smith
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 6.2, Problem 8AYP
List and define five terms used to express the temperature-related growth capabilities of microbes.
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List and define five terms used to express a microbe’s optimal growth temperature
Summarize the terms used to characterize microbes based on their physical growth factors;
1. pH (three terms, pH value, organism example each)
2. Temperature (five terms, temperature ranges, organism example each)
3. Oxygen (five terms, description of growth, organism example each)
4. Salt (three terms, salt concentration, organism example each)
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List 5 physical methods of controlling microbial growth, and give an example of each.
Why is moist heat much more effective than dry air?
Chapter 6 Solutions
Microbiology Fundamentals: A Clinical Approach
Ch. 6.1 - List the essential nutrients of a bacterial cell.Ch. 6.1 - Prob. 2AYPCh. 6.1 - List and define four different terms that describe...Ch. 6.1 - Prob. 4AYPCh. 6.1 - Compare and contrast the processes of diffusion...Ch. 6.1 - Identify the effects of isotonic, hypotonic, and...Ch. 6.1 - Name two types of passive transport and one type...Ch. 6.1 - Prob. 1NPCh. 6.1 - Prob. 2NPCh. 6.1 - Prob. 3NP
Ch. 6.1 - Prob. 1MMCh. 6.2 - List and define five terms used to express the...Ch. 6.2 - Summarize three ways in which microorganisms...Ch. 6.2 - Identify three important environmental factors...Ch. 6.2 - List and describe the five types of associations...Ch. 6.2 - Discuss characteristics of biofilms that...Ch. 6.2 - Which statements are true with respect to...Ch. 6.3 - Summarize the steps of cell division used by most...Ch. 6.3 - Define doubling time, and describe how it leads to...Ch. 6.3 - Compare and contrast the four phases of growth in...Ch. 6.3 - Identify one culture-based and one...Ch. 6.3 - Prob. 2MMCh. 6 - Which descriptors are likely to have applied to...Ch. 6 - Prob. 2QCh. 6 - Speculate about how earths atmosphere came to...Ch. 6 - Which of the following is true of passive...Ch. 6 - Compare the effects of a hypertonic, hypotonic,...Ch. 6 - Usually scientists looking for life on other...Ch. 6 - An organism that can synthesize all its required...Ch. 6 - Provide evidence in support of or refuting this...Ch. 6 - Develop an explanation for why biofilm bacteria...Ch. 6 - Most bacteria increase their numbers by a. sexual...Ch. 6 - Looking at figure 6.3, explain how a cell in a...Ch. 6 - In binary fission, the parent chromosome is...Ch. 6 - A cell exposed to a hypertonic environment will...Ch. 6 - Prob. 14QCh. 6 - Bacteria and archaea are ubiquitous on the planet....Ch. 6 - Prob. 16QCh. 6 - How can you explain the fact that an unopened...Ch. 6 - Prob. 18QCh. 6 - In a viable count, each ____ represents a ______...Ch. 6 - If an egg salad sandwich sitting in a car on a...Ch. 6 - Scientists now believe that most bacteria in...Ch. 6 - Prob. 1VC
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Identify and describe the 4 wet-heat methods that are used to control microbial growth.arrow_forwardSummarize the terms used to characterize microbes based on they physical growth factors including... 1. pH (three terms, pH value, organism example each) 2. Temperature (five terms, temperature ranges, organism example each) 3. Oxygen (five terms, description of growth, organism example each) 4. Salt (three terms, salt concentration, organism example each)arrow_forwardProvide an example of an organism within each of the four main nutritional categories of microbes and describe how each obtains its essential nutrients. Provide evidence in support of or refuting the following statement: Microbial life can exist in the complete absence of both sunlight or organic nutrients. Polymerase chain reaction (PCR) is a technology that requires high temperatures to reproduce DNA fragments. Explain why the discovery of thermophilic archaea and their associated DNA polymerases was critical to the success of this technique. Summarize how the electron transport chain functions to produce ATP in a bacterial cell versus eukaryotic cell. Explain whether or not the term chemiosmosis accurately illustrates this process.arrow_forward
- Describe the microbial cell cycle and how it impacts industrial uses of microbes. Describe the process of scale-up and the parameters involved. Describe the various physical and chemical methods available to control microbial growth. Discuss the pros and cons of single cell proteins as a food source for humans and animals. Describe the various options for using microbes to produce biofuels and their pros and cons. Describe the use of anaerobic digesters for producing methane. Define bioremediation. Describe two methods of side-effects testing. Define reductive dehalogenation and explain its importance. Explain the difference between a monooxygenase and a dioxygenase. Recognize the importance of the b- oxidation pathway in breaking down hydrocarbons. Explain why tertiary and quaternary substituted carbons are the most difficult to break down by biochemical means. Differentiate between in situ and ex situ bioremediation techniques and discuss the pros and cons of each. Discuss what…arrow_forwardDescribe several physical and chemical requirements for microbial growth, and explain what factors determine optimal conditions.arrow_forwardDiscuss briefly the phases of Microbial Growth Curve and why it is useful to plot the microbial growth from a growing microbial culture?arrow_forward
- Defend or refute this statement: The upper-temperature limit to life is unrelated to the stability of proteins or nucleic acids and how influential is microbial activity on the geological processes of mineral formation and deposition compared to biological processes? (argue both sides of this one). What challenges and advantages do you see with the use of extremeophiles in industrial or bioremediation applications?arrow_forwardIdentify external sources of energy that are used by microbes, as well as energy carriers and other immediately available sources of energy that that microbial cells use for growth processes.arrow_forward4. (a) Which of the following chemical reactions is an overall oxidation-reduction (redox) reaction that involves oxidation number changes in their reactions? A. NaOH + H₂O → Na¹ + H3O+ + OH B. HCl + H₂O → H3O+ + Cl- C. CO₂ + H₂O → H+ + CO3²- D. N₂ + 3H₂ → 2NH3arrow_forward
- Discuss the possibility of life on Mars. In reference to extremophiles. Defend or refute this statement: The upper-temperature limit to life is unrelated to the stability of proteins or nucleic acids. How influential is microbial activity on the geological processes of mineral formation and deposition compared to biological processes? (argue both sides of this one). What challenges and advantages do you see with the use of extremeophiles in industrial or bioremediation applications?arrow_forwardIn microbiology, the term growth in a culture usually refers to an increase in O 1) the number and size of microbial cells. O 2) the amount of ATP consumed. O 3) a microbe's size. O 4) the number of microbial cells. 5) the amount of ATP produced.arrow_forwardIn simpler terms explain Lag, Log, Stationary, and Death Phase in the Microbial Growth Curve?arrow_forward
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Chapter 5 Microbial Metabolism; Author: Heather Davis;https://www.youtube.com/watch?v=wH_HrsfDWZw;License: Standard Youtube License