Foundations in Microbiology
10th Edition
ISBN: 9781259705212
Author: Kathleen Park Talaro, Barry Chess Instructor
Publisher: McGraw-Hill Education
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Chapter 7.L1, Problem 3CSR
Summary Introduction
To review:
The way in which active transport and osmosis plays a role in the normal lungs compared to cystic fibrosis (CF).
Introduction:
The active transport of chlorine molecules and osmosis have a major roles to play to maintain the lungs in good condition and avoid the entry of microbes.
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7.How does oxygen and carbon dioxide enter and leave the lung capilliaries respectively? Read and analyze the question and choices CAREFULLY; more importantly, ALWAYS CHOOSE the BEST answer.
Diffusion
Active transport
Facilitated Diffusion
Exocytosis
6. We modeled Cystic Fibrosis in lab. What is the main problem with someone with Cystic Fibrosis? What ion
is involved and what happens as a result of this ion? Be specific.
1. Explain what effect an increase
in the thickness of the plasma
membrane would have on the rate of
net diffusion across a membrane.
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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- Which of the following statements is false? Proteins in the plasma membrane can: a. transport ions. b. transport chloride ions when there are two mutant copies of the cystic fibrosis transmembrane conductance regulator gene. c. recognize self versus foreign molecules. d. allow adhesion between the same tissue cells or cells of different tissues. e. combine with lipids or sugars to form complex macromolecules.arrow_forward1. Explain what effect an increase in surface area of the plasma membrane would have on the rate of net diffusion across a membrane.arrow_forward16. What evidence do you have that diffusion occurs more rapidly under warmer conditions?arrow_forward
- 1. Circle all of the following that are examples of diffusion. Explain why each is an example of diffusion. a. water moving through a hose c. the smell of chocolate chip cookies d. a rock sinking in a lake e. haze in the sky from a wildfire b. a drop of ink spreading through water F. coffee dripping through a filter.arrow_forward1. List the differences between passive diffusion and facilitated diffusion.arrow_forward1. Define osmosis, simple diffusion, facilitated diffusion. 2.. Identify why each of these is a form of passive transport. 3. Give examples of each type of passive transport.arrow_forward
- Describe how active transport and osmosis play a part in the normallung compared to that of cystic fibrosis.arrow_forward1. Clearly distinguish between the terms diffusion and osmosis.arrow_forward3. Equal numbers of fibroblasts and endothelial cells are present initially in a culture. a. If the endothelial cells double every 40 hours and the fibroblasts double every 20 hours, draw a graph showing the percentage of cells in the culture that are fibroblasts as a function of time (you can use excel). b. Come up with an equation to determine the time at which 90% of the cells will be fibroblasts and solve for time. Explain how you came up with your equation.arrow_forward
- 15. Describe the transport of lipids in the blood stream (Note: the Lymphatic system is involved).arrow_forward24) The effects of Biomaterials on Tissue are listed below , which ones are not among these effects ? Cell Migration Promotes tissue formation Cell attachment Tissue degradation Release of pre-packaged reactive molecules (exocytosis) Accommodates tissue attachmentarrow_forward3. Quantitative – diffusion rate: Humans rely on their lungs to supply oxygen to their bodies. Each lungis made up of over 300 million alveoli or air sacs that provide a total surface area of 75 m2 over whichoxygen can diffuse. However, the recent COVID pandemic has caused problems both during and afterinfection for oxygen delivery. a. During COVID, patients can get pneumonia, where the lungs can partially fill with fluid. Thiscauses coughing but also prevents that part of the lung from absorbing oxygen. If 35% of thealveoli were filled with fluid, how much of the lung area (in m2) would still be functioning? b. How would the oxygen diffusion rate for the pneumonia patient compare with that of a normalperson? Write out and solve for the diffusion rate ratio. c. Sometimes people with severe pneumonia are given an oxygen canula to augment their breathing.Normal oxygen concentrations in the lung are 100 mm Hg of O2 (this is the partial pressure whichis proportional to concentration as…arrow_forward
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