Foundations in Microbiology
10th Edition
ISBN: 9781259705212
Author: Kathleen Park Talaro, Barry Chess Instructor
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 4.L1, Problem 3WC
Describe the basic process of biofilm formation.
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Explain the purpose and phase where cells lose flagella and motility in biofilm formation, and why the amount of cell density is an important factor in type of bacteria where biofilm formation is triggered.
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Explain the formation of biofilm.
Chapter 4 Solutions
Foundations in Microbiology
Ch. 4.1 - Describe the fundamental characteristics of cells.Ch. 4.1 - Identify the primary properties that define life...Ch. 4.1 - Prob. 1CYPCh. 4.1 - Name several general characteristics that could be...Ch. 4.2 - Describe the generalized anatomy of bacterial...Ch. 4.2 - Prob. 4ELOCh. 4.2 - Describe the structure and position of bacterial...Ch. 4.2 - Explain how flagella influence motility and motile...Ch. 4.2 - Prob. 7ELOCh. 4.2 - Define glycocalyx, and describe its different...
Ch. 4.2 - What other microbial groups besides bacteria have...Ch. 4.2 - Prob. 4CYPCh. 4.2 - How does the flagellum dictate the behavior of a...Ch. 4.2 - Differentiate between the structure and functions...Ch. 4.2 - Prob. 7CYPCh. 4.2 - Prob. 8CYPCh. 4.2 - Prob. 9CYPCh. 4.2 - Explain how the bacterial glycocalyx and certain...Ch. 4.3 - Prob. 9ELOCh. 4.3 - Outline the structure and functions of cell walls,...Ch. 4.3 - Contrast the major structure of gram-positive and...Ch. 4.3 - Prob. 12ELOCh. 4.3 - Relate the characteristics of other types of cell...Ch. 4.3 - Prob. 14ELOCh. 4.3 - Prob. 11CYPCh. 4.3 - Prob. 12CYPCh. 4.3 - Prob. 13CYPCh. 4.3 - How does the precise structure of the cell walls...Ch. 4.3 - Prob. 15CYPCh. 4.3 - Prob. 16CYPCh. 4.3 - Describe the medical impact of the cell walls of...Ch. 4.3 - Prob. 18CYPCh. 4.3 - Prob. 19CYPCh. 4.4 - Prob. 15ELOCh. 4.4 - Prob. 16ELOCh. 4.4 - Characterize the bacterial ribosomes and...Ch. 4.4 - Prob. 18ELOCh. 4.4 - Prob. 19ELOCh. 4.4 - Discuss the resistance and significance of...Ch. 4.4 - Prob. 20CYPCh. 4.4 - What is unique about the structure of bacterial...Ch. 4.4 - Prob. 22CYPCh. 4.4 - Prob. 23CYPCh. 4.4 - Describe the way endospores are formed, their...Ch. 4.4 - Prob. 25CYPCh. 4.4 - Why are spores so difficult to destroy?Ch. 4.5 - Describe the shapes of bacteria and their possible...Ch. 4.5 - Prob. 22ELOCh. 4.5 - Outline the size ranges among bacteria and in...Ch. 4.5 - Prob. 27CYPCh. 4.5 - Prob. 28CYPCh. 4.5 - What are vibrios and coccobacilli?Ch. 4.5 - Prob. 30CYPCh. 4.5 - Prob. 31CYPCh. 4.5 - Prob. 32CYPCh. 4.6 - Prob. 24ELOCh. 4.6 - Prob. 25ELOCh. 4.6 - Outline a basic system of bacterial taxonomy.Ch. 4.6 - Explain the species and subspecies levels for...Ch. 4.6 - Prob. 33CYPCh. 4.6 - Prob. 34CYPCh. 4.6 - Prob. 35CYPCh. 4.7 - Differentiate various groups of photosynthetic...Ch. 4.7 - Characterize the types of obligate intracellular...Ch. 4.7 - Prob. 30ELOCh. 4.7 - Prob. 31ELOCh. 4.7 - Prob. 32ELOCh. 4.7 - Prob. 36CYPCh. 4.7 - Name two main groups of obligate intracellular...Ch. 4.7 - Explain the characteristics of archaea that...Ch. 4.7 - Prob. 39CYPCh. 4.7 - Describe the three major archaeal lifestyles and...Ch. 4.L1 - Prob. 1MCQCh. 4.L1 - Viruses are not considered living things because...Ch. 4.L1 - Prob. 3MCQCh. 4.L1 - Prob. 4MCQCh. 4.L1 - Pili are appendages in _________ bacteria that...Ch. 4.L1 - Prob. 6MCQCh. 4.L1 - Which of the following is a primary bacterial cell...Ch. 4.L1 - Which of the following is present in both...Ch. 4.L1 - Metachromatic granules are concentrated ________...Ch. 4.L1 - Prob. 10MCQCh. 4.L1 - Prob. 11MCQCh. 4.L1 - Prob. 12MCQCh. 4.L1 - Prob. 13MCQCh. 4.L1 - Prob. 14MCQCh. 4.L1 - Prob. 15MCQCh. 4.L1 - To which taxonomic group do cyanobacteria belong?...Ch. 4.L1 - Prob. 17MCQCh. 4.L1 - The first living cells on earth would most likely...Ch. 4.L1 - Prob. 1CSRCh. 4.L1 - Prob. 2CSRCh. 4.L1 - What is a biofilm, and how did it form on the...Ch. 4.L1 - Label the parts on the bacterial cell featured...Ch. 4.L1 - Discuss the collection of properties that are used...Ch. 4.L1 - Describe the basic process of biofilm formation.Ch. 4.L1 - Prob. 4WCCh. 4.L1 - Prob. 5WCCh. 4.L2 - Using clay, demonstrate how cocci can divide in...Ch. 4.L2 - Prob. 2CTCh. 4.L2 - Prob. 3CTCh. 4.L2 - Prob. 4CTCh. 4.L2 - a. Name a bacterial group that uses chlorophyll to...Ch. 4.L2 - Propose a hypothesis to explain how bacteria and...Ch. 4.L2 - Prob. 7CTCh. 4.L2 - Prob. 8CTCh. 4.L2 - Describe the shapes and arrangements of bacteria...Ch. 4.L2 - Prob. 1VCCh. 4.L2 - What kinds of cells are shown here? Explain what...
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- What medical challenges do biofilms present?arrow_forwardBiofilms represent an important environmental niche. A) How does growth on a surface differ from growth in a suspended laboratory culture? (In other words: How do biofilm-forming cultures differ from planktonic cultures) B) Describe the stages of biofilm development including cellular and extracellular components?arrow_forwardDescribe how moisture affects the growth of microorganisms.arrow_forward
- Describe a detrimental and a beneficial effect of biofilms.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_forwardIn the exponential phase of microbial growth, Log cell numbers Time O a) net cell growth is equal to net cell death. Ob) net cell growth is greater than net cell death. c) waste accumulates, cell death is greater than cell growth. d) the cells stop growing.arrow_forward
- Define microbial growth. Outline the effects of temperature, pH, osmotic pressure and oxygen onmicrobial growth.arrow_forwardList 5 physical factors required for bacterial growth.arrow_forwardWhat do you think is more influential on the types of bacteria or other microorganisms that are involved in biofilm formation – the physical environment or the solid substrate on which it forms? Why?arrow_forward
- List 5 physical methods of controlling microbial growth, and give an example of each. Why is moist heat much more effective than dry air?arrow_forwardCategorise the microbial growth into four phases. In your own words, briefly describe each of themarrow_forwardInfections among hospitalized patients are often related to the presence of a medical device in the patient. Which conditions favor the formation of biofilms on in-dwelling catheters?arrow_forward
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