Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780321962751
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 29, Problem 10TYU
SCIENTIFIC INQUIRY
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
where i = the ionization constant (2 for NaCl), C = the molar concentration (in moles/liter), R = the pressure constant [R = 0.00831 (liter MPa)/(mole K)] and T = temperature in Kelvin (273 + °C) Describe how this change in the solute potential of the soil would affect the water potential of the soil. Explain how the change in the water potential of the soil would affect the movement of water in or out of the roots
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I want a clear solution for me to understand
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O Matric potential3D5 kpa
O Matric potential=D0 kpa
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Chapter 29 Solutions
Campbell Biology in Focus (2nd Edition)
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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- 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_forwardOO O O 5 TIME Remaning water. Below is a table showing data from an experiment in which leave disks were exposed to different colored light. The times it took for the leave disks to float to the surface are recorded under each light color column. The numbers in the left column indicate 10 groups conducted the experiment. Diagram 5: Experimental Set-Up for leaf discs under various colors of light Light color: Green Blue Plain Red Data collection and processing Recorded times for leaf dises ni sing for different colors - Trial I (seconds) (+2 Seconds ) Red Plain 80 170 209 172 183 333 40 80 89 97 102 121 124 138 152 162 377 184 4 380 462 398 167 510 6 516 380 546 381 565 642 820 899 381 558 9 10 A Table 1: This is the time that it took for the first 10 leaf discs to rise when exposed to light while submerged in water. (One of 3 trials) 612 604 1005 S58 Look at the data for leaf disk #2 in the Table 1. Under which color of light would the least amount of H* be available to pass through…arrow_forwardEverybody Wrk UL6- Sca woy coutt an N pack filled with pure water potentially kill a patient? INDEPENDENT PRACTICE The diagrams below represent animal and plant cells in beakers containing solutions of vanina levels, The level of dissolved salts in each solution is indicated in the diagram. Assume each celt a salt concentration of 0.8% Analyze each diagram and complete the following: Line A- indicate whether the solution is hypertonic, hypotonic or isotonic relative to the cel Line B- indicate the direction of water movement: into the cell, out of the cell, in and out equally Line C- describe any changes that would take place in the cell (ex: the cell would... swell. shrivel, burst, etc.) O= Animal Cell = Plant Cell A. 1. B. 0.8% C. 0.2% saltarrow_forward
- i. Give an example of a plant organ that functions as the source and the sink in thetransport above. Source: Sink:arrow_forwardThe water potential of three adjacent plant cells are as follows: X 0kPa Y -1000kPa Z -4000kPa In which direction will water move?arrow_forwardPlease answer the first questionarrow_forward
- The osmotic potential of the plant cell is -0.1 MPa and it is placed in an 9 mM sorbitol solution (21 °C). Calculate the turgor pressure of the cell when the water potential of the cell has equilibrated to the same as that of the solution.arrow_forwardCan you help with this question pleasearrow_forwardinformation in table 4.1 onlyarrow_forward
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