Foundations in Microbiology
10th Edition
ISBN: 9781259705212
Author: Kathleen Park Talaro, Barry Chess Instructor
Publisher: McGraw-Hill Education
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Chapter 7.3, Problem 11ELO
Summary Introduction
Introduction:
To ensure a constant supply of nutrients and other required substances, microbes must capture those that are in low concentrations and actively transport them into the cell and must transport substances to the external environment. Some microbes have developed efficient active transport systems that an essential nutrient can be found in intracellular concentrations that are hundreds of times greater than in the habitat.
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1. Explain different types of membrane transports and give examples of these transports in our body.
1. Clearly distinguish between the terms diffusion and osmosis.
9. Match each of the following statements related to membrane transport processes to the appropriate
term: passive transport, facilitated transport, active transport. More than one term may apply in a
given situation.
_a. Movement across the membrane is against the concentration gradient.
_b. Proteins serve as "gates."
_c. Expenditure of cellular energy is required.
_d. Movement across the membrane is from a high to a low concentration.
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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- 9. Draw the three different types of transporter proteins used in active transport. After doing this, label which type of transporter protein the Na2+/K+ pump is.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_forward11. Determine whether the following statements are true or false. If they are false, provide a rewording that would correct the statement. a) Secondary active transport requires a direct source of ATP to operate b) Secondary active transport cannot operate without primary active transport first setting up a gradient c) The GLUT is an example of facilitated diffusion d) The SGLT is an example of an antiporterarrow_forward
- 1. Explain what effect an increase in surface area of the plasma membrane would have on the rate of net diffusion across a membrane.arrow_forward1. Explain what effect an increase in the thickness of the plasma membrane would have on the rate of net diffusion across a membrane.arrow_forward14. Define diffusion, osmosis, facilitated-diffusion, filtration, solute pumps, vesicular/bulk transport, endocytosis, exocytosis, pinocytosis, and phagocytosis. Explain the significance of each and whether it is an active or passive process.arrow_forward
- 22. Which of the following statements about passive processes of membrane transport is true? a. cellular energy is not required b. substances move along its concentration gradient c. all require the aid of proteins during transport d. a and b e. a and carrow_forward1. Where is the cell membrane located? 2. What is the function of the cell membrane? 3. What does selectively permeable mean? 4. What is the difference between active and passive transport?arrow_forward5. When given images such as the ones below, be able to identify the specific type of cell transport shown. Practice using this online interactive activity. I= Passive or active transport Type of Transportarrow_forward
- 1. Types of transport of substances through the membrane: passive transport (facilitated diffusion through the biomembrane, its mechanism and features. Channel proteins and transporter proteins, their importance).arrow_forward1.In which type of transport does the working mechanism of A sodium-potassium pump belongs to? 2.How do secretory cells perform exocytosis?arrow_forwardDefine the term active transport?arrow_forward
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The Cell Membrane; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=AsffT7XIXbA;License: Standard youtube license