BIOLOGY (LOOSELEAF)-W/CONNECT
12th Edition
ISBN: 9781260692181
Author: Raven
Publisher: MCG
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Chapter 5, Problem 6U
Summary Introduction
Introduction: The movement of materials across the biological membrane may occur either passively or actively. Simple diffusion, osmosis, and facilitated diffusion are the three major types of passive transport. Osmosis is defined as the movement of water or other solvents through a plasma membrane from a region of low concentration of solute to a region of high concentration of solute, tending to equalize the solutes concentration.
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When a cell is put into a hypertonic solution:
A. The solution has a greater concentration of soluters and fluid will leave the cell
B. The solution has a lesser concentration of solutes and fluid will leave the cell.
C. The solution has a greater concentration of solutes and fluid will move into the cell.
D. The solution has a lesser concentration of solutes and fluid will move into the cell.
You are working with cells that have an internal solute concentration of 5mM solute. This solute is large and ionized. You place them in a medium that has a concentration of 7.7 mM solute. What will happen? (More than one answer may be applicable)
a.
The cells will swell initially, then return to their original size.
b.
The cell will burst.
c.
The cells will shrink in size.
d.
I do not expect anything to happen.
Compound Sodium Lactate is isotonic solution. this mean that it
a. reduces movement of sodium across the membrane
b.prevent movement of water across the semi permerable cell membrane
c. promotes movement of water out of the cell
d. facilitates equal movement of water across the semi permerable cell membrane
Chapter 5 Solutions
BIOLOGY (LOOSELEAF)-W/CONNECT
Ch. 5.1 - Prob. 1LOCh. 5.1 - Explain the fluid mosaic model of membrane...Ch. 5.2 - List the different components of phospholipids.Ch. 5.2 - Prob. 2LOCh. 5.2 - Prob. 3LOCh. 5.3 - Illustrate the functions of membrane proteins.Ch. 5.3 - Prob. 2LOCh. 5.3 - Prob. 3LOCh. 5.4 - Compare simple diffusion and facilitated...Ch. 5.4 - Prob. 2LO
Ch. 5.4 - Prob. 3LOCh. 5.5 - Prob. 1LOCh. 5.5 - Prob. 2LOCh. 5.5 - Prob. 3LOCh. 5.6 - Distinguish between endocytosis and exocytosis.Ch. 5.6 - Illustrate how endocytosis can be specific.Ch. 5 - According to the fluid mosaic model, membranes are...Ch. 5 - Prob. 2IQCh. 5 - The fluid mosaic model of the membrane describes...Ch. 5 - What chemical property characterizes the interior...Ch. 5 - The transmembrane domain of an integral membrane...Ch. 5 - The specific function of a membrane within a cell...Ch. 5 - The movement of water across a membrane is...Ch. 5 - Prob. 6UCh. 5 - Which of the following is NOT a mechanism for...Ch. 5 - A bacterial cell that can alter the composition of...Ch. 5 - What variable(s) influence(s) whether a nonpolar...Ch. 5 - Which of the following does NOT contribute to the...Ch. 5 - How are active transport and coupled transport...Ch. 5 - A cell can use the process of facilitated...Ch. 5 - figure 5.5 describes a classic experiment...Ch. 5 - Each compartment of the endomembrane system of a...Ch. 5 - The distribution of lipids in the ER membrane is...
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- Which of the following will occur when a cell is placed into a hypertonic solution? A. The cell will swell up as water comes through the membrane into the cell. B. Nothing will happen and the cell will stay the same size. C. The cell will shrivel as water leaves the cell.arrow_forwardThe membrane in the diagram above is not permeable to the sugar in the solution, however it is permeable to water. Which of the following statements would best describe what will happen? Select ALL that apply. [mark all correct answers]a. Sugar molecules will move to side A until the concentrations on both sides are equal.b. There will be no change since the membrane is not permeable to the sugar molecules.c. Sugar molecules will move to side A at the same rate as the water molecules will move to side B.d. Water molecules will move to side B until the concentrations on both sides are equal.arrow_forwardYou are given the task of determining the approximate % solute of potato cells. You decide to set up a series of 10 cups ranging from dH2O to 1% sucrose solution. You intend to drop a potato stick in each cup. a. What data will you collect for each potato stick? b. In how many of the solutions will the potato sticks remain unchanged? c.arrow_forward
- A cell containing 2% sucrose solution is placed in a hypertonic solution. A.) In one statement maximum, explain what a hypertonic solution is in reference to solute concentration. B.) In one statement, predict the direction of osmosis ( movement of water) C.) In one statement, predict the resulting change in the cell's shape.arrow_forwardYour friend notes that Gatorade has electrolytes like sodium and potassium chloride. He figures that if a few electrolytes are good for you, then a lot must be even better. Following this logic, he adds nearly a tablespoonful of salt to his Gatorade. What kind of solution is his Gatorade now (hypotonic, isotonic, or hypertonic)? What will likely happen to his cells if he drinks this liquid?arrow_forwardWhich of the following can most easily pass through the phospholipid bilayer of the cell plasma membrane without the involvement of proteins? A. small non-polar molecules B. small polar molecules C. large non-polar molecules D. large polar moleculesarrow_forward
- Osmosis is water movement across a semipermeable membrane. Which of the following is true about water movement across cell membranes? A. In a hypotonic solution, cells will swell. B. In an isotonic solution, cells will shrink. C. In a hypertonic solution, cells will stay the same. D. Cells can neither shrink nor swell because water cannot penetrate the plasma membrane.arrow_forwardYou are working with cells that have an internal solute concentration of 5mM solute. This solute is large and ionized. You place them in a medium that has a concentration of 7.7 mM solute. What will happen? a. The cells will swell initially, then return to their original size. b. The cells will shrink in size. c. I do not expect anything to happen. d. The cell will burst.arrow_forwardWhat is osmosis? a. the process where water diffuses across the cells' membrane from an area of lower water concentration to an area of higher water concentration b. Where a solute diffuses across the cell membrane from an area of higher to lower concentration c. the process where water diffuses across a cells' membrane to an equal concentration of water on both sides of the membrane d. The process where a solute diffuses into water through membranous sacks not using energyarrow_forward
- Suppose you are examining osmosis by studying a carrot soaking in water. First, you conclude that the cell walls of the carrot are semipermeable, allowing water molecules but not solutes to passively move into and out of the cell. Next, you measure the solute concentrations of the carrot cells and the surrounding water. You determine the carrot cells contain a higher solute concentration than the water in which the carrot is soaking. Which statement accurately describes this scenario? Group of answer choices The cells of the carrot are hyperosmotic compared to the surrounding water, so water will be drawn out of the cells through osmosis The cells of the carrot are hypoosmotic compared to the surrounding water, so water will be drawn out of the cells through osmosis The cells of the carrot are hypoosmotic compared to the surrounding water, so water will be drawn into the cells through osmosis The cells of the carrot are hyperosmotic compared to the surrounding water, so water…arrow_forwardA cheek cell is placed in a 0.5% sugar solution A. The 0.5% sugar solution is hypotonic/isotonic/hypertonic to the cells (select one and type your answer below). Explain your choice! B. Describe in which direction you expect water to move in the question above (into the cell / no net movement/ out of the cell) (select one and type your response in the space below).Explain your answer. Include the percentages of solute and solvent in areas inside and outside of the cell and how you determine the direction of water movement from the percentages!arrow_forwardGlucose is often present in very low concentrations in environments populated by microorganisms. To import the maximum amount of available glucose, cells use a. Receptor-mediated endocytosis b. Simple diffusion c. Osmosis d. Facilitated diffusionarrow_forward
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The Cell Membrane; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=AsffT7XIXbA;License: Standard youtube license