Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Textbook Question
Chapter 36.2, Problem 1CC
If a plant cell immersed in distilled water has a Ψs of -0.7 MPa and a V of 0 MPa. what is the cell's Ψp? If you put it in an open beaker of solution that has a Ψ of -0.4 MPa, what would be its % at equilibrium?
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Chapter 36 Solutions
Campbell Biology
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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- plant cells with an aqueous potential of -600kPa were placed in different aqueous potentials. Determine in which of the following cases after 10 minutes the cells were blocked, started plasmolysis or completely subjected to the latter. Solution A is -400kPa, solution B is - 600kPa, solution C is -900kPa and solution D is distilled waterarrow_forwardAnthocyanins are another type of plant pigment that are purple or red. Say you run a chromatography experiment using the same setup as you did in this lab, and you find that anthocyanins do not move from the line of origin. Assuming the solvent traveled the same distance as in your experiment (D in Table 1 above), what is the Rf value of anthocyanin?arrow_forwardIn a photosynthetic investigation, a student measured the following pH of the stroma and the inner thylakoid compartments of spinach leaf cells at the conclusion of the experiment. Source of Fluid pH (mean) Standard Error of Mean (SEM) Stroma 8.2 0.75 Inner compartment of thylakoid 5.6 0.35 b. Construct an appropriately labeled graph to illustrate the sample means of the two locations to within 95% confidence (i.e. sample mean + 2 SEM).arrow_forward
- The following are photomicrographs of T. spathacea leaf cells in 0.01 M NaCl and 0.30 M NaCl solutions. Label the cell wall, vacuole, and tonoplasts in each photomicrograph and describe these in terms of their shape and color.What happens to the cells if they are placed in a hypotonic solution? In a hypertonic? What causes the cells change in color?arrow_forwardThe following are photomicrographs of T. spathacea leaf cells in 0.01 M NaCl and 0.30 M NaCl solutions. Label the cell wall, vacuole, and tonoplasts in each photomicrograph directly and describe these in terms of their shape and color. Also, does the anthocyanin moved out of the vacuole?What happens to the cells if they are placed in a hypotonic solution? In a hypertonic? What causes the cells change in color?arrow_forwardIf I slid a plant cells with a water potential averaging -.5 MPa Are placed into solution with a water potential of -.3 MPa, which of the following would be the most likely outcome?arrow_forward
- In a photosynthetic investigation, a student measured the following pH of the stroma and the inner thylakoid compartments of spinach leaf cells at the conclusion of the experiment. Source of Fluid pH (mean) Standard Error of Mean (SEM) Stroma 8.2 0.75 Inner compartment of thylakoid 5.6 0.35 Explain the reason for the differences in pH between the stroma and the thylakoid lumen.arrow_forwardusing the cell potential table found in the Reference Material, why do you get holes in your aluminum foil if you use it to cover lasagna in a steel pan? Hint: Steel is made up of mostly iron and lasagna serves as an acidic medium.arrow_forwardIf FOV is 5 mm and the number of cells in FOV is estimated at 35, what is the cell size in mm? In micrometers?arrow_forward
- If you need 2.5 mg/liter, 2,4-D in 1 liter of medium and the stock solution of 2,4-D contains 10 mg/100 ml, how much stock solution do you need? why BAP is preferred over other cytokinin during commercial plant tissue culturearrow_forwardThank you for helping me. I have to questions. In solution B, if we choose two other points on the graph for calculating the slope, wouldnt the values for Km/Vmax be different than 6.1? Why did you choose exactly those points on the graph? Another thing, I understand the method you used to get to Km/Vmax= slope, but how did you then get the value for Vmax to be 10 mM/s??arrow_forwardIf you place a flaccid plant cell with ΨS = -0.4 MPa in pure water, which of the following will occur? A. Water will not enter the cell because the flaccid cell has solutes and low water potential. B. Water enters the cell because the flaccid cell has solutes and low water potential. C. Water enters the cell because the flaccid cell has solutes and high water potential. D. Water will not enter the cell because the flaccid cell has solutes and high water potential.arrow_forward
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