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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The net diffusion of a solvent, across a semi-permeable membrane, from low to high solute concentration, is the precise definition of:
simple diffusion
facilitated diffusion
active transport
passive transport
osmosis
Soft contact lenses are made from hydrogels, which make them soft and flexible. It is important to
clean them daily using a sterile, isotonic cleaning solution. The concentration of solutes in the
cleaning solution is the same as the concentration of the hydrogel in the contact lens. What would
happen if instead of an isotonic cleaning solution, soft contact lenses are cleaned with water?
(A) The soft contact lenses will shrink because it will remove too much water by osmosis.
B The soft contact lenses will shrink because too much water is absorbed by osmosis.
The soft contact lenses will swell and change shape because too much water is absorbed
by osmosis.
The soft contact lenses will swell and change shape because too much water is removed by
osmosis.
Which of the following statements is TRUE of diffusion?
Diffusion of particles along the concentration gradient will occur until particles are equally distributed in all areas of the solution.
Diffusion of particles along the concentration gradient will occur until the particles move fully from one side of the solution to the other.
Diffusion of particles against the concentration gradient will occur until random motion occurs.
Diffusion of particles against the concentration gradient will occur until all the particles have dissolved.
Carl is examining an onion root tip cell under a microscope. Based on his observations, Carl proposes that the onion root tip cell has completed interphase and is now in the first phase of mitosis.
Which of the following pieces of evidence would best support Crisanto’s claim?
The cell’s chromosomes are aligned across the metaphase plate.
Separated sister chromatids are being pulled towards…
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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- A cell is placed in a hypertonic medium triggering its regulatory volume control mechanism. Which of the following statements best describes the main ion movement responsible for the regulatory volume control in this situation? Efflux of K+ from the cytosol. Efflux of Na+ from the cytosol. Influx of Na+ into the cytosol. Influx of K+ into the cytosol.arrow_forwardCompare 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_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_forward
- A hypotonic solution is one that adds water to the cell. A hypertonic solution removes water from the cell. An isotonic solution neither adds or removes water from the cell.arrow_forwardWhich of the following involves movement from an area of high concentration to an area of lower concentration simple diffusion facilitated passive transport both simple diffussion and facilitated passive transport active transportarrow_forwardAn artificial cell consisting of an aqueous solution enclosed in a selectively permeable membrane (but with no cell wall) is immersed in a beaker containing an aqueous solution. The outside environment concentration consists of 0.01 M glucose and the inside of the cell has a concentration of 5.0 M glucose. The plasma membrane is permeable to water and monosaccharides, but impermeable to the disaccharides. Complete the following for the image below: Will the artificial cell become lyse, shrivel, or stay the same? lyse shrivel stay the samearrow_forward
- Which 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_forwardAn artificial cell consisting of an aqueous solution enclosed in a selectively permeable membrane (but with no cell wall) is immersed in a beaker containing an aqueous solution. The outside environment concentration consists of 0.01 M glucose and the inside of the cell has a concentration of 5.0 M glucose. The plasma membrane is permeable to water and monosaccharides, but impermeable to the disaccharides. Complete the following for the image below: Is the glucose going down or against its concentration gradient? Is the movement of the solute in the cell going out of the cell? Down...Yes Down...No Against...Yes Against...Noarrow_forwardWhich 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 diffusionarrow_forward
- An artificial cell consisting of an aqueous solution enclosed in a selectively permeable membrane (but with no cell wall) is immersed in a beaker containing an aqueous solution. The outside environment concentration consists of 0.01 M glucose and the inside of the cell has a concentration of 5.0 M glucose. The plasma membrane is permeable to water and monosaccharides, but impermeable to the disaccharides. Complete the following for the image below: Is the solution inside the cell isotonic, hypotonic, or hypertonic? Is the glucose going down or against its concentration gradient? Draw solid arrow to indicate the movement of the solute into or out of the cell. Draw a dashed arrow to show the movement of water. Will the artificial cell become lyse, shrivel, or stay the same?arrow_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_forwardDifferentiate the following: hypotonic solution, isotonic solution and hypertonic solution. Then classify respectively the 3 solutions used in the experiment (experiment is 2 eggs soaked in vinegar for 2 days and 1 day in separate solution per egg, one for water and 1 for super saline solution) What is osmosis? Is an egg considered to be cell? Why?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