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 1SYK
Create a concept map to illustrate your understanding of osmosis. This exercise will help you to practice using the words hypotonic, isotonic, and hypertonic, and to focus on the effect of these osmotic environments on plant and animal cells. Explain your map to a friend.
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Osmosis is a special type of diffusion that ________.
a.
moves water from an area with a high solute concentration to one of lower solute concentration
b.
moves sugar from an area with a high solute concentration to a lower solute concentration
c.
moves water from an area with a low solute concentration to one of higher solute concentration
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.
In the Osmosis Gizmo, the cell is placed in a very small chamber. Suppose a cell is placed in a large container of water with a very low solute concentration. What do you think would happen?
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 passive movement of a solute through a membrane protein down its concentration gradient is an example of _________. a. osmosis b. active transport c. endocytosis d. diffusionarrow_forwardUsing Osmosis, Balance, Compartment, Cell, Water, Permeability, and Membrane in your explanation. Explain why the bolded lines are correct and what would happen internally if you relied on salty ocean water for survival.arrow_forwardA concentration gradient for water must be present in cells for osmosis to occur. Which bag represented the steepest concentration gradient relative to its surrounding environment?arrow_forward
- The video clip mentioned a disaster scenario of a saltwater fish being placed in fresh water. What would occur if, instead, a freshwater fish was placed in saltwater? Your answer needs to have an arrow indicating the direction of water flow in osmosis, a label of "hypertonic," and a label for "hypotonic."arrow_forwardPlease answer.... a) State which series depcit tubes that were placed in isotonic, hypertonic, and hypotonic environments. b) In the above graph, which tubes appear to show internal turgor pressure counteracting osmosis? Explain how you can tell this by looking at the graph.arrow_forwardFind the FALSE sentence. Select one: a. In osmosis, water diffuses across a selectively permeable membrane from the compartment with the lowest to the compartment with the highest solute concentration. b. Malignant tumors can give rise to metastases. c. Passive transport across the membrane requires ATP. d. The endoplasmic reticulum and the Golgi apparatus both collaborate to build the cell membrane.arrow_forward
- In osmosis, water flows from hypertonic/hypotonic/isotonic solutions to hypertonic/hypotonic/isotonic solutions, until both solutions are hypertonic/hypotonic/isotonic.arrow_forwardExplain how osmosis works including the concept of concentration gradientarrow_forwardcompare and contrast osmosis and diffusionarrow_forward
- Define Osmosis in your own wordsarrow_forwardExamine the diagrams of the animal cell below. In each case, identify the cell as being in an isotonic solution, a hypertonic solution, or a hypotonic solution. Then write a caption in your own words for each cell to explain what is happening as a result of being in that solution.arrow_forwardWhat effect might a solvent such as ethanol have on membrane permeability? Explain your answer using ideas about membrane structure.arrow_forward
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