CAMPBELL BIOLOGY IN FOCUS-MOD.MASTERING
3rd Edition
ISBN: 9780135191811
Author: Urry
Publisher: PEARSON
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Chapter 29, Problem 6TYU
Compared with a cell with few aquaporin proteins in its membrane, a cell containing many aquaporin proteins will have a
- A. faster rate of osmosis.
- B. lower water potential.
- C. higher water potential.
- D. faster rate of active transport.
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Students have asked these similar questions
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.
Choose 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.
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 correct
Chapter 29 Solutions
CAMPBELL BIOLOGY IN FOCUS-MOD.MASTERING
Ch. 29.1 - Why is long-distance transport important for...Ch. 29.1 - Prob. 2CCCh. 29.1 - WHAT IF? Some plants can detect increased levels...Ch. 29.2 - If a plant cell immersed in distilled water has a...Ch. 29.2 - How would a reduction in the number of aquaporin...Ch. 29.2 - WHAT IF? What would happen if you put plant...Ch. 29.3 - Prob. 1CCCh. 29.3 - WHAT IF? If an element increases the growth rate...Ch. 29.3 - Prob. 3CCCh. 29.4 - Prob. 1CC
Ch. 29.4 - Prob. 2CCCh. 29.4 - Prob. 3CCCh. 29.5 - A scientist adds a water-soluble inhibitor of...Ch. 29.5 - WHAT IF? Suppose an Arabidopsis mutant lacking...Ch. 29.5 - Prob. 3CCCh. 29.6 - Prob. 1CCCh. 29.6 - WHAT IF? If you buy cut flowers, why might the...Ch. 29.6 - Prob. 3CCCh. 29.7 - Prob. 1CCCh. 29.7 - Prob. 2CCCh. 29.7 - Prob. 3CCCh. 29 - Which structure or compartment is part of the...Ch. 29 - Prob. 2TYUCh. 29 - Prob. 3TYUCh. 29 - What would enhance water uptake by a plant cell?...Ch. 29 - Prob. 5TYUCh. 29 - Compared with a cell with few aquaporin proteins...Ch. 29 - Two groups of tomatoes were grown in the...Ch. 29 - Prob. 8TYUCh. 29 - Prob. 9TYUCh. 29 - SCIENTIFIC INQUIRY A Minnesota gardener notes that...Ch. 29 - Prob. 11TYUCh. 29 - FOCUS ON INTERACTIONS The soil in which plants...Ch. 29 - Prob. 13TYU
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- Which of the following best describes a hyperosmotic solution? A. a solution with a higher concentration of solutes as compared to the other side of the membrane B. a solution with a lower concentration of solute as compared to the other side of the membrane C. a solution with equal solute concentration as compared to the other side of the membrane D. none of the abovearrow_forwardOne substance flows down its concentration gradient, and the energy is harnessed to move another substance up its gradient in the same direction. This best describes a. primary active transport. b. endocytosis. c. symport secondary active transport. d. antiport secondary active transport.arrow_forwardDuring osmosis through a selectively permeable membrane, a. water moves down its concentration gradient b. water moves to an area of higher solute concentration c. solutes move against their concentration gradient d. both a and b are correct e. both a and c are correct f. all of the above are correctarrow_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_forwardBelow are three statements - two of which are truths and one is a lie. Which of the following statements is a lie? Select one: a. Plant cells never shrink with the support of cell wall. b. Low osmolarity means high water content. c. Saltwater fish secrete salt through their gills and have concentrated urine.arrow_forwardpart 1 Reaching osmotic balance across a semipermeable membrane for non-charged molecules depends on: a.Relative solute concentration gradient across the membrane b.Relative electrical gradient across the membrane c.Relative solute concentration and electrical gradient across the membrane part 2 The equilibrium of a charged molecule across a semipermeable membrane depends on: a.Relative solute concentration gradient across the membrane b.Relative electrical gradient across the membrane c.Relative solute concentration and electrical gradient across the membranearrow_forward
- I am trying to better understand this concept. Why would hydrostatic pressure of the sugar solution prevent all of the pure water from moving to the other side?arrow_forwardWhich of the following presents the correct sequence of steps involved in the short-distance transport of solutes across plasma membrane? A. A-D-B-C B. D-B-A-C C. B-A-C-D D. A-B-C-Darrow_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
- _______ is the net movement of substances from a high concentration to a low concentration medium, whereas the _______ is the net movement of water across a membrane. a. Diffusion- ultrafiltration b. Dialysis-osmosis c. Diffusion-osmosis d. Osmosis-diffusionarrow_forwardA balloon permeable to water but not to glucose contains a 10% glucose solution. A beaker contains a 5% glucose solution. Which of the following is true? A The solution in the balloon is hypertonic relative to the solution in the beaker. B The solution in the beaker is hypertonic relative to the solution in the balloon. C The solution in the balloon is isotonic; the solution in the beaker is hypertonic. D When placed in the beaker, the balloon will lose water by osmosis.arrow_forwardWhich of the following is TRUE of sharks and other osmoconformers? A. The solute concentration inside the organism is maintained at a higher level by active import of solutes. B. The total solute concentration is the same inside and outside of the organism C. The solute concentration inside the organism is maintained at a lower level by active export of solutes. D. The NaCl concentration is the same inside and outside of the organismarrow_forward
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