Microbiology: A Systems Approach
5th Edition
ISBN: 9781259706615
Author: Marjorie Kelly Cowan Professor
Publisher: McGraw-Hill Education
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Chapter 4, Problem 5CTQ
a. Describe the characteristics of an endospore-producing bacterium that make it an ideal candidate for bioterrorism but an undesirable intruder in a hospital setting.
b. Explain why the production of endospores is not considered a method of reproduction in most bacterial species.
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Chapter 4 Solutions
Microbiology: A Systems Approach
Ch. 4.1 - List the structures all bacteria possess.Ch. 4.1 - Identify at least four structures that some, but...Ch. 4.1 - Prob. 3AYPCh. 4.1 - Prob. 4AYPCh. 4.1 - Provide at least four terms to describe bacterial...Ch. 4.2 - Describe the structure and function of five...Ch. 4.2 - Prob. 7AYPCh. 4.3 - Prob. 8AYPCh. 4.3 - Prob. 9AYPCh. 4.3 - Prob. 10AYP
Ch. 4.4 - Prob. 11AYPCh. 4.4 - Prob. 12AYPCh. 4.5 - List some differences between archaea and...Ch. 4.6 - Differentiate between Bergeys Manual of Systematic...Ch. 4.6 - Prob. 15AYPCh. 4.6 - Define a species in terms of bacteria.Ch. 4 - Which of the following is not found in all...Ch. 4 - Pili are tubular shafts in ____ bacteria that...Ch. 4 - Prob. 3MCQCh. 4 - Which of the following is a primary bacterial cell...Ch. 4 - Which of the following is present in both...Ch. 4 - Darkly stained granules are concentrated crystals...Ch. 4 - Bacterial endospores usually function in a....Ch. 4 - A bacterial arrangement in packets of eight cells...Ch. 4 - Prob. 9MCQCh. 4 - Prob. 10MCQCh. 4 - Prob. 11TFCh. 4 - A research microbiologist looking at evolutionary...Ch. 4 - Nanobes may or may not actually be bacteria.Ch. 4 - Both bacteria and archaea used to be known as...Ch. 4 - Prob. 15TFCh. 4 - Define the term ubiquitous and explain whether...Ch. 4 - Quorum sensing is a process used by many bacteria...Ch. 4 - Based upon your knowledge of cell wall structure,...Ch. 4 - Provide evidence in support of or refuting the...Ch. 4 - a.Describe the characteristics of an...Ch. 4 - Prob. 1VCCh. 4 - From chapter 1, figure 1.14. Study this figure....Ch. 4 - Prob. 1CM
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- b. The growth rate of a certain species of bacteria is being modelled to determine the number of bacteria after certain period of time. The growth rate is proportional to the number of bacterial present. Assess the growth process and state the model equation that can be used.arrow_forwardDescribe 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_forwarda. List the main features of Koch′s postulates. b. Why is it so difficult to prove them for some diseases?arrow_forward
- What is meant by recalcitrance in microbiology? Give an examplearrow_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_forwardA. Antibiotics, such as gentamicin, are used in media to prevent growth of susceptible microbes. Is gentamicin media a selective, differential or enrichment media? B. Sorbitol is a sugar alcohol that all Escherichia bacteria can normally ferment into an acidic waste compound. This acidic end product is detected by including a pH indicator in the agar and noticing a color change. The strain of Escherichia that is a common food pathogen, E. coli O157:H7, however can not ferment sorbitol. It will grow similar to other E. coli, but not change the agar color. Is sorbitol in nutrient agar a selective, differential or enrichment media?arrow_forward
- In stages of bacterial growth, this is the phase where the bacterium adjusts to the new environment and the start of biosynthesis although increase in cell mass is not evident. Question options: Period of Rejuvenescence Log Phase Plateau Phase Exponential Phasearrow_forwardA. Bacterial Growth Curve Categorization. Drag and drop the microbial culture plates on the column that best represents the bacterial colony growth phase. -Number of Bacterial Cells (Log) ➡➡➡ Lag Exponential Phase Phase Stationary Phase Time (h) 24 Death Phase 48arrow_forwarda. What biochemical events in quorum sensing ensure that a biofilmcan function as a unit?b. Explain how biofilm self-monitoring would favor infections.arrow_forward
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