Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 5, Problem 8TYK
Summary Introduction
Introduction:
Tonicity is the effect of the solution surrounding the cell on the volume of the cell. To maintain the tonicity and the osmotic balance inside the cell, the water or solvent molecules move in or out of the cell, which is termed as osmosis.
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Which of the following processes could result in the net movement of a substance into a cell, if the substance is more concentrated in the cell than in the surroundings?
diffusion
active transport
osmosis
facilitated diffusion
Which of the following best describes an Isotonic solution?
A. The cellular plasma membrane will expand when the cell is place into an isotonic solution.
B. The cellular plasma membrance will shrink when the cell is placed into an isotonic solution.
C. Solute concentrations in the solutions are equal acorss the cellular plasma membrane.
D. Solvent concentrations cause unequal solution concentrations across the plasma membrane.
Define the following?
concentration gradient
diffusion
osmosis
facilitated diffusion
active transport
Chapter 5 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 5.1 - Describe the fluid mosaic model for membrane...Ch. 5.1 - Give two examples each of integral proteins and...Ch. 5.2 - What is the difference between passive and active...Ch. 5.2 - Prob. 2SBCh. 5.3 - Prob. 1SBCh. 5.3 - Prob. 2SBCh. 5.4 - Prob. 1SBCh. 5.4 - Prob. 2SBCh. 5.5 - Prob. 1SBCh. 5.5 - Prob. 2SB
Ch. 5 - In the fluid mosaic model: plasma membrane...Ch. 5 - Which of the following statements is false?...Ch. 5 - The freeze-fracture technique demonstrated: a....Ch. 5 - A characteristic of carrier molecules in a primary...Ch. 5 - A driving ion moving through a membrane channel in...Ch. 5 - Phagocytosis illustrates which phenomenon? a....Ch. 5 - Place in order the following events of...Ch. 5 - Prob. 8TYKCh. 5 - Which of the following statements is true for the...Ch. 5 - Using the principle of diffusion, a dialysis...Ch. 5 - Discuss Concepts The bacterium Vibrio cholera...Ch. 5 - Prob. 12TYKCh. 5 - Prob. 13TYKCh. 5 - Prob. 15TYKCh. 5 - Some cancer cells are insensitive to typical...Ch. 5 - Some cancer cells are insensitive to typical...
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- Which of the following methods of transport is being used to transfer the substance into the cell in the accompanying graph? a. diffusion down a concentration gradient b. osmosis c. facilitated diffusion d. active transport e. vesicular transport f. It is impossible to tell with the information provided.arrow_forwardThe passive movement of a solute through a membrane protein down its concentration gradient is an example of _________. a. osmosis b. active transport c. endocytosis d. diffusionarrow_forwardWhy is it advantageous for the cell membrane to be fluid in nature?arrow_forward
- Cells in a hypertonic solution tend to: shrink due to water loss swell due to water gain stay the same size due to water moving into and out of the cell at the same rate none of the abovearrow_forwardWhich of the following best describes a hypotonic solution? a-There is a higher concentration of solute outside the cell than inside the cell b-There is a lower concentration of solute outside the cell than inside the cell c-The solute concentration both inside and outside the cell is equal d-Through osmosis, water will enter the cell causing it to swellarrow_forwardSubmerging of a red blood cell in a hypertonic solution will result in Lysis of the cell membrane Bursting of the cell Plasmolysis of the cell The cell becoming turgid The cell becoming flaccidarrow_forward
- Compare and contrast the following methods of a passing cell membrane in terms of movement with respect to the concentration gradient, use of ATP, and the use of transporters with examples. (Simple) Diffusion Facilitated Diffusion/Passive Transport Osmosis Active Transport Exocytosis Endocytosis (with its 3 subforms)arrow_forwardA cell has 40% water and 60% solute. The solution around the cell has 40% water and 60% solute. What type of solution is the cell in?arrow_forwardWhich of the following is correctly paired? Two answer choices are correct. osmosis= a type of active transport facillitated diffusion = a transport proteins are used to move substances across a membrane diffusion = a type of passive transportarrow_forward
- If an intact cell is incubated with an enzyme that digests proteins so that all the (parts of) proteins on the outer surface of the cell are removed, will the cell be able to receive any environmental signals? Explain. Circle the correct answer. Osmosis is a type of... simple diffusion facilitated diffusion primary active transport secondary active transport none of the above Liver cells are in contact with the blood and exchange a variety of substances with the blood plasma (the noncellular part of blood). The concentration of water is equal in the cytoplasm of liver cells and in the blood plasma. Explain this observation in terms of membrane permeability and transport mechanisms. Animal cells typically maintain a higher concentration of Na+ outside the cell and a higher concentration of K+ inside the cell via the Na+-K+ pump. The drug ouabain inhibits the activity of the Na+-K+ pump. A nerve cell is incubated in ouabain. Predict what will happen to the concentrations of Na+ and…arrow_forwardWhich of the following is an example of active transport? Simple diffusion Protein pumps Facilitated diffusion All of the abovearrow_forwardThe following are the characteristics of the setup depicted below: The left side has a higher concentration of "yellow spheres" than the right side. The blue solution is water, and the yellow spheres dissolve in water (i.e. are osmoles). The dotted orange line is a semi-permeable membrane with characteristics exactly the same as a cell's plasma membrane. Below are TWO "If" statements that are separate questions. IF the yellow spheres are freely permeable across the dotted line, the process of [ Select ] ["facilitated diffusion", "active transport", "simple diffusion", "osmosis"] will occur. Consequently, the volume of water on the left side will [ Select ] ["stay the same", "decrease", "increase"] IF the yellow spheres cannot cross the membrane at all, the process of [ Select ] ["osmosis", "facilitated…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