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 12TYK
Water passes quickly through cell membranes because
- a. water movement is linked to A TP hydrolysis.
- b. it is a small, polar, charged molecule.
- c. aquaporins facilitate the movement of water across the membrane.
- d. it moves through hydrophobic channels.
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Students have asked these similar questions
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
which of the following statements is correct about the movement of water across a plasma membrane
a. it cannot pass through any ion channels
b. it moves through the membrane via mediated transport
c. even though it a polar molecule, it moves readily through the nonpolar lipid bilayer
d. artificial lipid membranes are impermeable to water
Which of the following describes how osmosis occurs across a cell membrane/
A.
Solutes move from an area of high water concentration to an area of low water concentration.
B.
Water moves from an area of low solute concentration to an area of high solute concentration.
C.
Both water and solutes move across the cell membrane from an area of high concentration to an area of low concentration.
D.
Solutes move from an area of low solute concentration to an area of high solute concentration.
E.
Water moves from an area of high solute concentration to an area of low solute concentration.
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 movement of water across the plasma membrane of a cell is facilitated bya. aquaporins.b. substrate-mediated endocytosis.c. receptor-mediated diffusion.d. channel proteins.e. Both a and d are correctarrow_forwardChoose pne of these choices: A. Water molecules will still be able to move across the cell membrand but at a slkwer rate. B. Water moleces will no longer be able to move across the cell membrane. C. Water molecules will move across the cell membrand at a faster rate without the aquaporin regulating their flow. D. Water molecules will only be able to enter the cell by active transport.arrow_forwardHydrogen bonding between water molecules results in a. submersion. b. adhesion. c. evaporation. d. cohesion.arrow_forward
- Active transport Select one: a. is non-specific in terms of substrates that are transported. b. transports a substrate against its concentration gradient. c. is the type of transport used by aquaporins. d. directly involves ATP hydrolysis.arrow_forwardActive transport of a substance across a membrane requiresa. a gradient b. the expenditure of ATP c. water d. diffusionarrow_forwardThe sodium-potassium pump helps to maintain electrolyte gradients through use of ATP. Which of the following best describes this type of transport? a. osmosis b. passive transport c. diffusion d. active transportarrow_forward
- Active transport must function continuously because. a. plasma membranes wear out b. not all membranes are amphiphilic c. facilitated transport opposes active transport d. diffusion is constantly moving solutes in opposite directionsarrow_forwardDuring passive transport, substances will move across a selectively permeable membrane until… explain why A. There is no longer any energy to be used B. All solutes reach the other side of the membrane C. There is no more room inside of the cell D. Equilibrium is reachedarrow_forwardDuring osmosis, water moves across a selectively permeable membrane toward a solution with: A. The lowest solute concentration B. Less water molecules C. More water molecules D. All of the abovearrow_forward
- 1.Which of the following is TRUE about the movement of water across membranes? a.Water migrates to an area of low salt concentration. b.Water migrates to an area with high lipid content c.Water migrates to an area with high salt concentration. d.Water migrates into and out of the cell at equal rates. 2. Which of the following molecules/ material can freely pass through the cell membrane's phospholipids? a.carbon dioxide b.lipids c.oxygen moleculearrow_forwardThe movement of molecules from an area of low concentration outside of the cell membrane to an area of high concentration within a cell membrane is most likely which of the following types of transport? a. exocytosis b. diffusion c. endocytosis d. osmosisarrow_forwardActive transport is different from passive transport because a. no additional energy is required. b. molecules move from low concentration to high concentration. c. ions are involved. d. proteins are involved. e. water is moved across the membrane.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