Campbell Biology (11th Edition)
11th Edition
ISBN: 9780134093413
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 36, Problem 10TYU
SCIENTIFIC INQUIRY • INTERPRET THE DATA A Minnesota gardener notes that the plants immediately bordering a walkway are stunted compared with those farther away. Suspecting that the soil near the walkway may be contaminated from salt added to the walkway in winter, the gardener tests the soil. The composition of the soil near the walkway is identical to that farther away except that it contains an additional 50 mM NaCl. Assuming that the NaCl is completely ionized, calculate how much it will lower the solute potential of the soil at 20°C using the solute potential equation:
Ψs= -iCRT
where i is the ionization constant (2 for NaCl), C is the molar concentration (in mol/L), R is the pressure constant [R = 0.00831 (L • MPa)/(mol • K)],and T is the temperature in Kelvin (273 + °C).
How would this change in the solute potential of the soil affect the water potential of the soil? In what way would the change in the water potential of the soil affect the movement of water in or out of the roots?
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i. Give an example of a plant organ that functions as the source and the sink in thetransport above.
Source:
Sink:
DRAW IT Draw a simple sketch of cation exchange, showinga root hair, a soil particle with anions, and a hydrogen iondisplacing a mineral cation.
Which one of the following statement is
wrong?
Options
Water is absorbed mainly by
unicellular root hairs
Cellulosic cell wall is a semi
permeable membrane
Pure water has maximum diffusic
pressure
Facilitated diffusion requires
special membrane proteins
Chapter 36 Solutions
Campbell Biology (11th Edition)
Ch. 36.1 - Why is long-distance transport important for...Ch. 36.1 - Some plants can detect increased levels of light...Ch. 36.1 - WHAT IF? If you prune a plant's shoot tips, what...Ch. 36.2 - If a plant cell immersed in distilled water has a...Ch. 36.2 - Prob. 2CCCh. 36.2 - How would the long-distance transport of water be...Ch. 36.2 - Prob. 4CCCh. 36.3 - Prob. 1CCCh. 36.3 - WHAT IF? Suppose an Arabidopsis mutant lacking...Ch. 36.3 - MAKE CONNECTIONS How are the Casparian strip and...
Ch. 36.4 - Prob. 1CCCh. 36.4 - Prob. 2CCCh. 36.4 - WHAT IF? If you buy cut flowers, why might the...Ch. 36.4 - Prob. 4CCCh. 36.5 - Prob. 1CCCh. 36.5 - Prob. 2CCCh. 36.5 - Prob. 3CCCh. 36.5 - WHAT IF? Apple growers in Japan sometimes make a...Ch. 36.6 - How do plasmodesmata differ from gap junctions?Ch. 36.6 - Prob. 2CCCh. 36.6 - WHAT IF? Suppose plants were genetically modified...Ch. 36 - How did the evolution of xylem and phloem...Ch. 36 - Is xylem sap usually pulled or pushed up the...Ch. 36 - Prob. 36.3CRCh. 36 - Prob. 36.4CRCh. 36 - Prob. 36.5CRCh. 36 - By what mechanisms is symplastic communication...Ch. 36 - Prob. 1TYUCh. 36 - Prob. 2TYUCh. 36 - Prob. 3TYUCh. 36 - Photosynthesis ceases when leaves wilt, mainly...Ch. 36 - Prob. 5TYUCh. 36 - A plant cell with a of -0.65 MPa maintains a...Ch. 36 - Compared with a cell with few aquaporin proteins...Ch. 36 - Prob. 8TYUCh. 36 - EVOLUTION CONNECTION Large brown algae called...Ch. 36 - SCIENTIFIC INQUIRY INTERPRET THE DATA A Minnesota...Ch. 36 - SCIENTIFIC INQUIRY Cotton plants wilt within a few...Ch. 36 - WRITE ABOUT A THEME: ORGANIZATION Natural...Ch. 36 - Prob. 13TYU
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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
- How does increasing solute concentration affect water potential? (a) water potential becomes more positive (b) water potential becomes more negative (c) water potential becomes more positive under certain conditions and more negative under other conditions (d) water potential is not affected by solute concentration (e) water potential is always zero when solutes are dissolved in waterarrow_forwardPlants can transport water from their roots to their canopy regardless of their height. What properties of water make this long distance transport possible? Plants can transport water from their roots to their canopy regardless of their height. What properties of water make this long distance transport possible? Water can dissolve many substances Water has a high specific heat Cohesiveness of water Adhesiveness of water Choices A and B Choices A and Carrow_forwardThe water potential of three adjacent plant cells are as follows: X 0kPa Y -1000kPa Z -4000kPa In which direction will water move?arrow_forward
- 2) Name and describe the three types of compartments found in plants in terms of water relations. How do these relate to the three different routes that an ion can take as it moves from the soil and through plant tissue?arrow_forwardDescribe TWO (2) methods transport of solutes in the systems with the aid of diagram I want a clear solution for me to understandarrow_forwardAnswer options are in greyarrow_forward
- I need help with this chartarrow_forwardSource Sieve tube Punca Tiub tapis Substance V Bahan V Molecule W Molekul W Osmosis Sink Sinki Substance V Bahan V Molecule W Molekul W Figure 2 Rajah 2 Give an example of a plant organ that functions as the source and the sink in the transport above. Berikan contoh organ tumbuhan yang berfungsi sebagai punca dan sinki dalam pengangkutan di atas. Source Punca: Sink Sinki: ...arrow_forwardWhich of the following statements is true for the figure in question 8? a. The net movement of solutes is into the cell. b. There is no concentration gradient. c. There is a potential for plasmolysis. d. The solvent will move against its concentration gradient. e. If this were a plant cell, turgor pressure would be maintained.arrow_forward
- Consider 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_forwardA freshwater (very low solute concentration) plant is placed into seawater (very high solute concentration). Which way will the water move?arrow_forward30. Living material (like plant roots) consist of many kinds of chemicals dissolved in water. Suppose the water concentration within the root cells is 90% explain why water in the soil (nearly pure water) tends to move into plant roots rather than out of themarrow_forward
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