Microbiology Fundamentals: A Clinical Approach
3rd Edition
ISBN: 9781259709227
Author: Marjorie Kelly Cowan Professor, Heidi Smith
Publisher: McGraw-Hill Education
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Chapter 6, Problem 5Q
Compare the effects of a hypertonic, hypotonic, and isotonic solution on an amoeba versus a bacterium.
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Explain the effects of putting a cell into a hypotonic, hypertonic, or isotonic medium.
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Chapter 6 Solutions
Microbiology Fundamentals: A Clinical Approach
Ch. 6.1 - List the essential nutrients of a bacterial cell.Ch. 6.1 - Prob. 2AYPCh. 6.1 - List and define four different terms that describe...Ch. 6.1 - Prob. 4AYPCh. 6.1 - Compare and contrast the processes of diffusion...Ch. 6.1 - Identify the effects of isotonic, hypotonic, and...Ch. 6.1 - Name two types of passive transport and one type...Ch. 6.1 - Prob. 1NPCh. 6.1 - Prob. 2NPCh. 6.1 - Prob. 3NP
Ch. 6.1 - Prob. 1MMCh. 6.2 - List and define five terms used to express the...Ch. 6.2 - Summarize three ways in which microorganisms...Ch. 6.2 - Identify three important environmental factors...Ch. 6.2 - List and describe the five types of associations...Ch. 6.2 - Discuss characteristics of biofilms that...Ch. 6.2 - Which statements are true with respect to...Ch. 6.3 - Summarize the steps of cell division used by most...Ch. 6.3 - Define doubling time, and describe how it leads to...Ch. 6.3 - Compare and contrast the four phases of growth in...Ch. 6.3 - Identify one culture-based and one...Ch. 6.3 - Prob. 2MMCh. 6 - Which descriptors are likely to have applied to...Ch. 6 - Prob. 2QCh. 6 - Speculate about how earths atmosphere came to...Ch. 6 - Which of the following is true of passive...Ch. 6 - Compare the effects of a hypertonic, hypotonic,...Ch. 6 - Usually scientists looking for life on other...Ch. 6 - An organism that can synthesize all its required...Ch. 6 - Provide evidence in support of or refuting this...Ch. 6 - Develop an explanation for why biofilm bacteria...Ch. 6 - Most bacteria increase their numbers by a. sexual...Ch. 6 - Looking at figure 6.3, explain how a cell in a...Ch. 6 - In binary fission, the parent chromosome is...Ch. 6 - A cell exposed to a hypertonic environment will...Ch. 6 - Prob. 14QCh. 6 - Bacteria and archaea are ubiquitous on the planet....Ch. 6 - Prob. 16QCh. 6 - How can you explain the fact that an unopened...Ch. 6 - Prob. 18QCh. 6 - In a viable count, each ____ represents a ______...Ch. 6 - If an egg salad sandwich sitting in a car on a...Ch. 6 - Scientists now believe that most bacteria in...Ch. 6 - Prob. 1VC
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- Discuss the differences between motility in gram positive, gram negative and archaea flagellar structure and energy use:arrow_forwardYour team suggests changing the temperature of the oil spill site in order to enhance the bioremediation process. Do you consider this decision effective? Why and why not? Explain, in your answer, the effect of changing the zone tension on the homeostasis capacity of the bacteria you use and their ability to withstand the osmotic pressure of the new surrounding solvent. In your answer, state how osmosis works and state the degree of tension of the solution (isotonic, hypertonic or hypotonic). Explain why osmosis is really just a special case of facilitated diffusionarrow_forwardDenitrification occurs under: anaerobic conditions aerobic conditions both aerobic and anaerobic conditionsarrow_forward
- U-tube Consider the image below, which shows a U-tube divided with a selectively permeable membrane. Use arrows to depict how water will move. Hypertonic solution Hypotonic solution Selectively permeable membranearrow_forwardHow do cells maintain the fluidity of their membranes? If a bacterium was growing at 20°C, how would it's membrane composition change if it was suddenly moved to cultivation temperature of 30°C.? How would it's membrane composition change if it was subsequently moved to a cultivation temperature of 10°C?arrow_forwardWhich of the following scenarios describes the process of osmosis? a) An amoeba engulfs a food particle. b) Sodium ions flow through the cell membrane. c) A carrier protein moves glucose into the cell.. d) A plant cell swells in a hypotonic environment.arrow_forward
- List and define five terms used to express a microbe’s optimal growth temperaturearrow_forwardSee below for an organism below that was grown in various pH and temperature conditions. Determine the optimum pH and temperature required to grow this organism. What is Optimal pH: What is Optimal Temperature:. asaparrow_forwardwhich of the following is MOST LIKELY to damage or kill bacteria with an intact (undamaged) cell wall: O hypo-tonic environment hypertonic environment an environment with fewer solutes than the inside of the cell isotonic environmentarrow_forward
- In microbiology, the term growth in a culture usually refers to an increase in O 1) the number and size of microbial cells. O 2) the amount of ATP consumed. O 3) a microbe's size. O 4) the number of microbial cells. 5) the amount of ATP produced.arrow_forwardYou have two types of cells (animal cells and plant cells) that you will place in a variety of conditions. Please describe what would happen to each of those two cells in the following solutions, i) isotonic solution; ii) hypertonic solution; iii) hypotonic solution.arrow_forwardBy which of the following mechanisms can a cell transport a substance from a lower to a higher concentration? aquaporins active transport facilitated diffusion simple diffusion extracellular cenzymesarrow_forward
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