Biology: The Dynamic Science (MindTap Course List)
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
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    The 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…
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