Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Textbook Question
Chapter 7, Problem 6TYK
Use the following U-tube setup to answer questions 6 through 8.
The solutions in the two arms of this U-tube are separated by a membrane that is permeable to water and glucose but not to sucrose. Side A is filled with a solution of 2.0 M sucrose and 1.0 M glucose. Side B is filled with 1.0 M sucrose and 2.0 M glucose.
Initially, the solution in side A, with respect to that in side B,
- a. has a lower solute concentration.
- b. has a higher solute concentration.
- c. has an equal solute concentration.
- d. is higher in the tube.
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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 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...No
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?
The solutions in the two arms of the U-tube are separated by a membrane that is permeable to water and glucose but not to sucrose. Side A is filled with a solution of 2.0 M sucrose and 1.0 M glucose. Side B is filled with 1.0 M sucrose and 2.0 M glucose.
Initially, the solution in side A, with respect to that in side B, is what?
After the system reaches equilibrium, what changes are observed?
Chapter 7 Solutions
Study Guide for Campbell Biology
Ch. 7 - Label the components in the following diagram of a...Ch. 7 - a. Cite some experimental evidence that indicates...Ch. 7 - List the six major functions that membrane...Ch. 7 - What types of molecules have difficulty crossing...Ch. 7 - A solution of 1 M glucose is separated by a...Ch. 7 - a. What osmotic problems does the freshwater...Ch. 7 - Prob. 7IQCh. 7 - Prob. 8IQCh. 7 - a. How is cholesterol transported into human...Ch. 7 - Create a concept map to illustrate your...
Ch. 7 - The following diagram illustrates passive and...Ch. 7 - If a single layer of phospholipids coats the water...Ch. 7 - Glycoproteins and glycolipids are important for a....Ch. 7 - Prob. 3TYKCh. 7 - Prob. 4TYKCh. 7 - Prob. 5TYKCh. 7 - Use the following U-tube setup to answer questions...Ch. 7 - Use the following U-tube setup to answer questions...Ch. 7 - Use the following U-tube setup to answer questions...Ch. 7 - How much work is expended in diffusion? a. an...Ch. 7 - Prob. 10TYKCh. 7 - Prob. 11TYKCh. 7 - Water passes quickly through cell membranes...Ch. 7 - Facilitated diffusion of ions across a cellular...Ch. 7 - Prob. 14TYKCh. 7 - Which of the following describes cotransport? a....Ch. 7 - Prob. 16TYKCh. 7 - An animal cell moves potassium against its...Ch. 7 - Prob. 18TYKCh. 7 - Prob. 19TYKCh. 7 - In response to low blood pressure, the adrenal...
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- The beaker is divided into two compartments (C and D) that has equal volumes of solution separated by an artificial membrane that has a pore size of 23 Å (Angstrom). Explain the movement of solute after eight hours if comparment C has 17 % sucrose while the compartment D has 2 % sucrose (diameter of sucrose molecule = 9 Å (Angstrom))arrow_forwardIn this part of the assignment, assume you have carried out the microscopic examination of the effects of osmosis in plant cells experiment The image in Figure 4 is of Elodea canadensis leaf cells in isotonic solution (normal saline). The image in Figure 5 is of Elodea canadensis leaf cells in 10% sucrose solution. The image in Figure 6 is of Elodea canadensis leaf cells in distilled water. a. Determine cell size and vacuole size. b. Calculate the percentage change in vacuole size for each treatment compared to the control. Use the formula: Experimental Size - Control Size/Control Size c. Based on these results, explain the tonicity of each treatment using experimental results to support your answer as would appear in the discussion section of a formal report (maximum four (4) lines). d. Was the percentage change in vacuole size for the experimental conditions relative to the control of similar magnitude? If the change was not of the same magnitude, explain the difference in effect…arrow_forwardThe left beaker contains 9mM NaCl and 9mM glucose solution.The right beaker contains distilled water.The molecular weight of NaCl is 58.44 g/mol. The molecular weight of glucose is 180.16 g/mol. The membrane located between the two beakers is impermeable to NaCl and glucose. The membrane is permeable to H2O. What will occur across the membrane?arrow_forward
- You fill a bag made of semipermeable membrane with a .5 mol/litre solution of sugar, seal it and immerse it into a .3mol/litre solution of salt and water. Which description best fits what will happen. 1) The environment is hypertonic to the contents, so the bag will shrink as water leaves the bag. 2)The environment is hypotonic to the contents, so the bag will expand as water enters the bag. 3) The environment is hypertonic to the contents, so the bag will expand as water enters the bag. 4) The environment is hypotonic to the contents, so the bag will shrink as water leaves the bag.arrow_forwardA lab made cell consisting of an aqueous solution enclosed in a semipermeable membrane is immersed in a beaker containing a different aqueous solution. The cell membrane is permeable ONLY to water, glucose and fructose. What net movement across the cell membrane is expected if the solutions inside the cell and surrounding the cell have the concentrations described in the picture? Environment: "Cell"- 0.01 M sucrose 0.01 M glucose 0.01 M fructose 0.03 M sucrose 0.02 M glucose O fructose will move from the environment into the cell O glucose will move from inside the cell out O all of these are correct O fructose will move from inside the cell out O two these are correct O three of these are correct O sucrose will move from inside the cell out C F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 #3 & 关 4. 6 7 8 F 5 LL O o o oo O శ్రీarrow_forwardShown below are cells (colored) that were recently placed into a beaker containing a clear solution For each scenario, indicate whether movement of the molecule into the cell will occur using facilitated diffusion or active transport. А. B. 125mM 20mM fructose glucose 85MM 35mM fructose glucose OA= facilitated diffusion; B= facilitated diffusion OA= active transport; B= active transport O A= active transport; B= facilitated diffusion A= facilitated diffusion; B= active transportarrow_forward
- When the potato cube is surrounded by a hypotonic solution what change in mass occurs in the potato cells?arrow_forwardProvide 3 hypotheses about the fluidity and mosaicity of the cell membrane. Write the hypotheses in "IF-THEN" statement form. Example: If the detection tests result in a change of color, appearance, or pH value of the solution, then there is a movement of glucose, starch, NaCl, or H+ ions across the semi-permeable dialyzing membrane bag, and it is a good model.arrow_forwardWhile endocytosis and exocytosis refer to the direction in which a vesicle moves into and out of a cell respectively, it is important to think about what is being moved with and within the vesicles. To demonstrate how this process is utilized in human cells we will focus on the human body's insulin response. The purpose of the insulin response is to create a pathway for glucose entry into cells by releasing glucose transporters into the membrane. Cell Type #1- insulin producers: In humans, pancreatic B-cells create steroid insulin that can be packaged into vesicles starting at the ER. These vesicles are prepared for exocytosis so that the insulin can be released from the pancreatic B - cells and get into the bloodstream when signaled to do so. When glucose is present in the blood stream these cells will release the pre-packed insulin into the blood stream. Cell Type #2- insulin responders: Other cells do not produce insulin but instead respond when they have received the insulin signal…arrow_forward
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