Foundations in Microbiology
10th Edition
ISBN: 9781259705212
Author: Kathleen Park Talaro, Barry Chess Instructor
Publisher: McGraw-Hill Education
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Chapter 7.L2, Problem 9CT
9. Describe the similarities and differences between a mutualistic endosymbiont and a
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1. How do parasitic organisms overcome the difficulties they face in transmitting the next generation to a suitable host?
They do so by producing resistant eggs or cysts.
Parasitic organisms have a greater reproductive potential than do most free-living species thus increasing the chances of transfer to a suitable host
Some parasitic organisms increase their numbers by reproducing asexually in the intermediate host making it more likely that they will make their way to a suitable host.
Most parasitic organisms produce toxins that discourage unsuitable hosts.
Some parasitic organisms increase their numbers by reproducing sexually in the intermediate host making it more likely that they will make their way to suitable host
2. The parasite’s effect upon human by
Nutrition robbing
Mechanical injury
Poisoning lesion
Allergy reactions
Immune-suppression
6. List 4 ways that new species can develop:
3. Describe three symbioses that include protists.
Chapter 7 Solutions
Foundations in Microbiology
Ch. 7.1 - 1. Describe the major environmental factors to...Ch. 7.1 - 2. Define nutrition and nutrients and their...Ch. 7.1 - 3. Differentiate between organic and inorganic...Ch. 7.1 - Prob. 4ELOCh. 7.1 - Prob. 1CYPCh. 7.1 - Prob. 2CYPCh. 7.1 - 3. List the general functions of the essential...Ch. 7.1 - 4. Define growth factors and metallic ions with...Ch. 7.2 - 5. Describe the main categories of nutritional...Ch. 7.2 - 6. Distinguish different types of autotrophs and...
Ch. 7.2 - Prob. 7ELOCh. 7.2 - 5. Compare autotrophs and heterotrophs with...Ch. 7.2 - 6. Describe the nutritional strategy of two types...Ch. 7.2 - Prob. 7CYPCh. 7.2 - Prob. 8CYPCh. 7.3 - 8. Describe the basic factors in diffusion and...Ch. 7.3 - Prob. 9ELOCh. 7.3 - 10. Analyze adaptations microbes make in response...Ch. 7.3 - Prob. 11ELOCh. 7.3 - 9. Compare and contrast passive and active forms...Ch. 7.3 - Prob. 10CYPCh. 7.3 - 11. Explain the differences between facilitated...Ch. 7.3 - 12. Compare the effects of isotonic, hypotonic,...Ch. 7.4 - 12. Differentiate between habitat and niche.Ch. 7.4 - 13. Describe the range of temperatures a microbe...Ch. 7.4 - Prob. 14ELOCh. 7.4 - Prob. 15ELOCh. 7.4 - Prob. 16ELOCh. 7.4 - Prob. 17ELOCh. 7.4 - Prob. 13CYPCh. 7.4 - Prob. 14CYPCh. 7.4 - 15. Explain what it means to be an obligate...Ch. 7.4 - 16. Where in the body are anaerobic habitats apt...Ch. 7.4 - Prob. 17CYPCh. 7.5 - 18. Outline the types of associations among...Ch. 7.5 - Prob. 19ELOCh. 7.5 - Prob. 20ELOCh. 7.5 - Prob. 21ELOCh. 7.5 - Prob. 22ELOCh. 7.5 - Prob. 18CYPCh. 7.5 - Prob. 19CYPCh. 7.5 - Prob. 20CYPCh. 7.5 - 21. Relate several advantages to communication...Ch. 7.6 - Prob. 23ELOCh. 7.6 - 24. Describe the process of population growth and...Ch. 7.6 - 25. Explain the stages in the population growth...Ch. 7.6 - Prob. 26ELOCh. 7.6 - 22. What is microbial growth? Explain the stages...Ch. 7.6 - 23. Why is growth called exponential? What causes...Ch. 7.6 - 24. Contrast two different methods of detecting...Ch. 7.6 - 25. Explain the relationship between colony counts...Ch. 7.L1 - 1. An organic nutrient essential to an...Ch. 7.L1 - Prob. 2MCQCh. 7.L1 - 3. An organism that can synthesize all its...Ch. 7.L1 - Prob. 4MCQCh. 7.L1 - Prob. 5MCQCh. 7.L1 - 6. Which of the following substances are required...Ch. 7.L1 - 7. A pathogen would most accurately be described...Ch. 7.L1 - Prob. 8MCQCh. 7.L1 - Prob. 9MCQCh. 7.L1 - Prob. 10MCQCh. 7.L1 - Prob. 11MCQCh. 7.L1 - 12. Which of the following is not involved in...Ch. 7.L1 - 13. Superoxide ion is toxic to strict anaerobes...Ch. 7.L1 - Prob. 14MCQCh. 7.L1 - 15. In a viable plate count, each ____ represents...Ch. 7.L1 - 16. The stage in population growth with the...Ch. 7.L1 - Prob. 1CSRCh. 7.L1 - Prob. 2CSRCh. 7.L1 - Prob. 3CSRCh. 7.L1 - Prob. 1WCCh. 7.L1 - Prob. 2WCCh. 7.L1 - Prob. 3WCCh. 7.L1 - Prob. 4WCCh. 7.L1 - 5. a. What biochemical events in quorum sensing...Ch. 7.L1 - 6. Explain what is happening to the population at...Ch. 7.L1 - Prob. 7WCCh. 7.L2 - 1. a. Is there a microbe that could grow on a...Ch. 7.L2 - 2. Describe how one might determine the nutrient...Ch. 7.L2 - 3. Patients with ketoacidosis associated with...Ch. 7.L2 - Prob. 4CTCh. 7.L2 - 5. Provide some suggestions for treating anaerobic...Ch. 7.L2 - Prob. 6CTCh. 7.L2 - Prob. 7CTCh. 7.L2 - Prob. 8CTCh. 7.L2 - 9. Describe the similarities and differences...Ch. 7.L2 - 1. Place appropriate points on the axes and draw...Ch. 7.L2 - Prob. 2VC
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- 3. Briefly describe the process of respiration among amoebas. plz include citation plz plz plzarrow_forwardWhich of these occurs through symbiotic nitrogen fixation? The plant benefits from using an endless source of nitrogen The soil benefits from being naturally fertilized Bacteria benefit from using photosynthates from the plant All of the above occur.arrow_forwardThe differential growth of body parts is called: a. allometry. b. paedomorphosis. c. heterochrony. d. phyletic gradualism. e. evo-devo.arrow_forward
- 3. If both organisms are presumed to benefit, what type of symbiotic relationship exists between the fungus and the alga?arrow_forwardDiscuss in general terms the diversity inherent in protists, including means of locomotion, modes of nutrition, interactions with other organisms, habitats, and modes of reproduction.arrow_forward18. Epiphytes growing on tropical trees best exemplify A) predation. B) parasitism. C) commensalism. D) intraspecific competition.arrow_forward
- Which of the following structures widens the geographic range of a species and is an agent of dispersal? seed flower leaf rootarrow_forward4. Explain the theory of endosymbiosis and explain how it led to the evolution of the organisms we see today. What evidence do we have to support this theory?arrow_forward3. Briefly describe the process of respiration among amoebasarrow_forward
- 1.Compare and contrast with thorough details how different organisms use different reproductive strategies and describe how it relates to genetic diversity. 2.Create a dichotomous key to identify the following organisms using gas exchange strategies; transportation strategies, and reproductive strategies: Methanogen sp. (Archaebacteria), E. coli (Eubacteria), Yeast (Fungi), Corn (monocot plant), Beans (dicot plant), Ant (Animal - Insect), Salmon (Animalia - Fish), frog (Animalia - Amphibian) and Dog (Animalia - Mammalia)arrow_forwardA fungus that climbs up a tree reaching higher elevation to release its spores in the wind and does not receive any nutrients from the tree or contribute to the tree's welfare is described as a. commensal mutualist parasite pathogenarrow_forward2. Which of the following correctly describes a Lichen? Group of answer choices A mututalistic relationship between a fungus and plant roots A mututalistic relationship between a fungus and a photosynthetic algae A parasitic relationship between a fungus and a bacterium A commensalistic relationship between a fungus and a plant A parasitic relationship between a fungus and plant rootsarrow_forward
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