Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 34, Problem 3TYK
Summary Introduction
Introduction:
The turgor pressure influences the movement of solutes and water throughout the cell and plant body. It contributes to the turgidity of the cell. The osmotic flow of water across influences the turgor pressure in the plant cells and also maintains the structure of the plant cell.
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Check out a sample textbook solutionStudents have asked these similar questions
Increasing the concentration of solutes increases osmotic potential, hence water potential decreases.
A. Agree, because presence of solutes increses osmotic pressure and thus osmotic potential.
C. Agree, because they just represent the same values.
D. Disagree, because it is the decrease in water pressure that decreases osmotic potential.
B. Disagree, because presence of solutes increases osmotic pressure which decreases osmotic potential.
Study the following table and identify the
correct sequence of cell which shows the
path of water movement between them :
Osmotic potential Pressure potential
Cell
(MPs)
(MPa)
A
- 0.95
0.40
-
B
- 0.75
0.40
C
- 0.85
0.25
-
You have an intact flaccid cell with a solute potential of -1.22MPa, you dropped
the cell in a solution of 4M concentration at 20°C.
a) In which direction water will flow? Why?
b) At equilibrium, what will be the cell and solution:
a. Water potential
b. Osmotic potential
c. Pressure potential
Chapter 34 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 34.1 - Prob. 1SBCh. 34.1 - Prob. 2SBCh. 34.1 - Explain how the apoplastic, symplastic, and...Ch. 34.2 - Prob. 1SBCh. 34.2 - Prob. 2SBCh. 34.3 - Prob. 1SBCh. 34.3 - Prob. 2SBCh. 34.3 - Prob. 3SBCh. 34.4 - Prob. 1SBCh. 34.4 - Prob. 2SB
Ch. 34.5 - Compare and contrast translocation and...Ch. 34.5 - Prob. 2SBCh. 34 - Prob. 1TYKCh. 34 - Prob. 2TYKCh. 34 - Prob. 3TYKCh. 34 - Prob. 4TYKCh. 34 - Prob. 5TYKCh. 34 - Prob. 6TYKCh. 34 - Prob. 7TYKCh. 34 - Prob. 8TYKCh. 34 - An indoor gardener leaving for vacation completely...Ch. 34 - Prob. 10TYKCh. 34 - Prob. 11TYKCh. 34 - Prob. 12TYKCh. 34 - Discuss Concepts Concerns about global climate...Ch. 34 - Prob. 14TYKCh. 34 - Apply Evolutionary Thinking A variety of...Ch. 34 - Prob. 1ITDCh. 34 - Prob. 2ITDCh. 34 - Prob. 3ITD
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which of the following condition indicate a very dry soil? O Matric potential3D5 kpa O Matric potential=D0 kpa O Matric potential=-1000 kpa O Matric potential=-100 kpa O Osmotic potential= -10 pa dotermines tCarrow_forward(1) a. The process responsible for absorption of water by root hair of plants is : a. Osmosis b. Active transport C. Diffusion b. The reason for my answer is because : a. Concentration of cell sap is lower than that of soil water b. Concentration of cell sap is higher than that of soil water C. Movement of water molecules spending energy, opposing to diffusion d. Water concentration of soil particles is lower than that of root hair cellsarrow_forwardIn a beaker containing 0% NaCl, you place a cell which contains 0.9% NaCl. NaCl doesn t cross the membrane. What will be the result?" a There will be net movement of water into the cell. b There will be net movement of NaCl into the cell. c There will be net movement of water out of the cell. d There will be net movement of NaCl out of the cell. e The cell will swell.arrow_forward
- Explain what would happen if a plant cell was placed in a hypotonic environment and why (be sure to include solute concentrations, water movement and turgor pressure in your explanation)?arrow_forwardConsider a plant cell. The value for solute concentration in a plant cell is -0.12 MPa and the turgor pressure is 0.12 MPa. 1- What is the water potential in this plant cell? 2- If this plant cell were placed in a solution with water potential of -0.1 MPa, what would happen to the cell? (Hint: explain where the water goes and what that does to 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_forward
- Which of the following statements is correct? A. A transmembrane integral protein is required for a lipophilic solute to move through the plasma membrane. B. The net movement of water through a cell membrane is dependent on both the osmotic gradient and the presence of transmembrane channel proteins? C. The membrane permeability for an ion is determined in part by the number of open unipart carriers for that ion in the membrane? D. Both A and B are correct & C is incorrect E. A, B, & C are all correct Please explain! Thank you so mucharrow_forwardWhich 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.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_forward
- A8.arrow_forward(2) a. Mineral salt is essential for growth of a plant. The process responsible for absorption of mineral salt is: a. Mass flow b. Diffusion Active transport C. d. Osmosis b. The reason for my answer is because : a. Absorption occurs due to concentration gradient b. Absorption occurs with the help of energy opposing to diffusion C. Movement as a bulk due to pressure changes d. Absorption through permeable membranesarrow_forwardIn the following diagram, if the T.P. of cell A increases to 6, what would be the changes with regard to water movement? O.P. = 12| O.P. = 20 T.P. = 6 T.P. = 14 E O.P. = 15| 0.P. = 8 T.P. = 9 T.P. = 2 D A O.P. = 6 T.P. = 0arrow_forward
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