Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 5, Problem 9TYU
Summary Introduction
Introduction: Osmosis is a type of diffusion in which solvent molecule (such as water) pass freely from less solute concentrated area to more solute concentrated area through a semipermeable membrane. There are majorly three types of osmotic conditions namely hypotonic, isotonic, and hypertonic solutions.
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1. What happened to the egg when soaked in vinegar? Why do you think the egg became larger when shell was digested?
2. What happened to the naked egg when soaked in concentrated sugar? How would you change the experiment if you wanted to know if the experiment is dependent on the concentration of sugar? or to answer the question: at what concentration will isotonicity be achieved?
1. 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?
Osmosis Pre-Lab Question
Research the structures that protect plant and animal cells from damage resulting from osmotic pressure. Write a few sentences explaining what they are, how they work, and where they are located.
Chapter 5 Solutions
Biology (MindTap Course List)
Ch. 5.1 - Prob. 1LOCh. 5.1 - Prob. 2LOCh. 5.1 - Prob. 3LOCh. 5.1 - Prob. 4LOCh. 5.1 - What molecules are responsible for the physical...Ch. 5.1 - Prob. 2CCh. 5.1 - Prob. 3CCh. 5.2 - Prob. 5LOCh. 5.2 - Prob. 1CCh. 5.2 - What roles do membrane proteins play in cell...
Ch. 5.3 - Describe the importance of selectively permeable...Ch. 5.3 - Prob. 1CCh. 5.3 - Prob. 2CCh. 5.3 - Prob. 3CCh. 5.4 - Prob. 7LOCh. 5.4 - LEARNING O9BJECTIVES 8Define osmosis and solve...Ch. 5.4 - PREDICT What would happen if a plan cell were...Ch. 5.4 - What is the immediate source of energy for simple...Ch. 5.4 - Prob. 3CCh. 5.5 - Prob. 9LOCh. 5.5 - Prob. 1CCh. 5.5 - What is the immediate energy source for...Ch. 5.6 - Prob. 10LOCh. 5.6 - In what ways are exocytosis and endocytosis...Ch. 5.6 - How are the processes of phagocytosis and...Ch. 5.6 - What is the sequence of events in...Ch. 5.7 - Compare the structures and functions of anchoring...Ch. 5.7 - Prob. 1CCh. 5.7 - Prob. 2CCh. 5 - Test Your Understanding 1.Transmembrane proteins...Ch. 5 - Test Your Understanding 2.Which of the following...Ch. 5 - Test Your Understanding 3.ABC transporters (a) use...Ch. 5 - Test Your Understanding 4.When plant cells are in...Ch. 5 - Test Your Understanding 5.Which of the following...Ch. 5 - Test Your Understanding 6.Electrochemical...Ch. 5 - Test Your Understanding 7.In cotransport (indirect...Ch. 5 - Prob. 8TYUCh. 5 - Prob. 9TYUCh. 5 - Test Your Understanding 10.INTERPRET DATA GLUT 4...Ch. 5 - Prob. 11TYUCh. 5 - Test Your Understanding 12.EVOLUTION LINK Explain...Ch. 5 - Prob. 13TYU
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- Test Your Understanding 6.Electrochemical gradients (a) power simple diffusion (b) are established by pinocytosis (c) are necessary for transport by aquaporins (d) are established by concentration gradients (e) are a result of both an electric charge difference and a concentration difference between the two sides of the membranearrow_forwardTest Your Understanding 7.In cotransport (indirect active transport) (a) a uniporter moves a solute across a membrane against its concentration gradient (b) the move of one solute down its concentration gradient provides energy for transport of some other solute up its concentration gradient (c) a channel protein moves ions by facilitated diffusion (d) osmosis powers the movement of ions against their concentration gradient (e) sodium is directly transported in one direction, and potassium is indirectly transported in the same directionarrow_forwardTest Your Understanding 5.Which of the following processes requires the cell to expend metabolic energy directly (e.g., from ATP)? (a) osmosis (b) facilitated diffusion (c) all forms of carrier-mediated transport (d) active transport (d) active transport (e) simple diffusionarrow_forward
- Using the principle of diffusion, a dialysis machine removes waste solutes from a patients blood. Imagine blood runs through a cylinder wherein diffusion can occur across an artificial selectively permeable membrane to a saline solution on the other side. Which of the following statements is correct? a. Solutes move from lower to higher concentraction. b. The concentration gradient is lower in the patients blood than in the saline solution wash. c. The solutes are transported through a symport in the blood cell membrane. d. The saline solution has a lower concentration gradient of solute than the blood. e. The waste solutes are actively transported from the blood.arrow_forwardLEARNING O9BJECTIVES 8Define osmosis and solve simple problems involving osmosis; for example, predict whether cells will swell or shrink under various osmotic conditions.arrow_forwardTest Your Understanding 1.Transmembrane proteins (a) are peripheral proteins (b) receptor proteins (c) extend completely through the membrane (d) extend along the surface of the membrane (e) are secreted from the cellarrow_forward
- In your everyday life, you have probably noticed that certain instruments are ideal for certain situations. For example, you would use a spoon rather than a fork to eat soup because a spoon is shaped for scooping, while soup would slip between the tines of a fork. The use of ideal instruments also applies in science. In what situation(s) would the use of a light microscope be ideal, and why?arrow_forwardTest Your Understanding 4. Diffusion is an (a) endergonic process because free energy increases (b) endergonic process because free energy decreases (c) exergonic process because entropy increases (d) exergonic process because entropy decreases (e) more than one of the preceding options are truearrow_forwardWhat would happen to an animal cell if you immersed it in a hypertonic solution for an extended period of time? Question options: Excess water is taken up by the central vacuole, causing the cell to swell, but not burst. The cell would shrivel and appear crenate. Nothing would happen, the system is in equilibrium. The cell would swell until it burst.arrow_forward
- 9)Two solutions are separated by a selectively permeable membrane that is not permeable to glucose. On one side of the membrane, solution A contains 10 percent glucose and on the other side, solution B contains 25 percent glucose. Which of the following is true? Select one: a. Solution A is hypertonic. b. The solutions are isotonic. c. Water would move from solution A to solution B. d. Glucose would move from solution B to solution A.arrow_forward1. Explain how diffusion occurs across a cell membrane. What is required for diffusion to occur? 2. Plasma membranes are said to be selectively permeable, what does this term mean? 3. Does diffusion ever cease if an equilibrium is reached?arrow_forward1.what is the importance of membrane transport and what are the values that you need to develop after knowing the importance of it? 2.what can happen when an organism lacks the necessary enzymes? 3.how do enzymes aid in harnessing the energ from the food we eat? 4.how are the enzyme activity affected by concentration of substrate, changes in temperature, and ph?arrow_forward
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