1 SEM ACC W/RAVEN CARDED
12th Edition
ISBN: 9781265486297
Author: Raven
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 36, Problem 3A
Summary Introduction
Introduction:
Water potential is the summation of the potential pressure and the osmotic potential. The potential pressure is the pressure that the water exerts ion another solution. The osmotic potential is defined as the movement of water from solution of higher concentration to the lower concentration solutions.
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Students have asked these similar questions
The figure below shows a U-shaped tube with the same level of water (green color) at both sides. What will likely happen if solutes will be added on the left side? Choose the best answer
A. The left region with high solutes will have higher water potential.
B. The left region with high solutes will have lower water potential.
C. The water will move from the region with low solutes and high water potential to the region with high solutes and low water potential.
D. The water on the right region will decrease as it moves to the opposite region.
A, C, and D
B, C, and D
You are working with cells that have an internal solute concentration of 5mM solute. This solute is large and ionized. You place them in a medium that has a concentration of 7.7 mM solute. What will happen? (More than one answer may be applicable)
a.
The cells will swell initially, then return to their original size.
b.
The cell will burst.
c.
The cells will shrink in size.
d.
I do not expect anything to happen.
What 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 energy
Chapter 36 Solutions
1 SEM ACC W/RAVEN CARDED
Ch. 36.1 - Predict the direction of water movement based on...Ch. 36.1 - Prob. 2LOCh. 36.2 - Prob. 1LOCh. 36.2 - Prob. 2LOCh. 36.3 - Prob. 1LOCh. 36.3 - Prob. 2LOCh. 36.4 - Prob. 1LOCh. 36.4 - Prob. 2LOCh. 36.5 - Prob. 1LOCh. 36.6 - Prob. 1LO
Ch. 36.6 - Prob. 2LOCh. 36 - What would w, s, and p of the cell in figure 36.5a...Ch. 36 - Prob. 2DACh. 36 - Data analysis Comparative analyses of fossil and...Ch. 36 - Prob. 1IQCh. 36 - Which of the following is an active transport...Ch. 36 - The water potential of a plant cell is the a. stun...Ch. 36 - Hydrogen bonding between water molecules results...Ch. 36 - Water movement through cell walls is a....Ch. 36 - Prob. 5UCh. 36 - The formation of an air bubble in the xylem is...Ch. 36 - Prob. 7UCh. 36 - Stomata open when guard cells a. take up...Ch. 36 - Prob. 9UCh. 36 - A plant must expend energy to drive a....Ch. 36 - Which of the following statements is inaccurate?...Ch. 36 - If you could override the control mechanisms that...Ch. 36 - Prob. 3ACh. 36 - If you were able to remove the aquaporins from...Ch. 36 - Prob. 5ACh. 36 - If you fertilize your houseplant too often, you...Ch. 36 - How could you detect a plant with a mutation in a...Ch. 36 - Prob. 3SCh. 36 - Prob. 4SCh. 36 - A carrot is a biennial plant. In the first year of...
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- If ENa is + 60 mV, [Na] out/in is [150]/[15], and Vm is +30 mV, which answer CORRECTLY describes Na+ diffusional, electrostatic, and overall net fluxes? a. Diffusion IN, electrostatics OUT, net flux OUT b. Diffusion IN electrostatics IN, net flux IN c. Diffusion OUT, electrostatics OUT, net flux OUTarrow_forwardSuppose that you have a splinter that is embedded so deep in your foot that you cannot remove it with tweezers. How could you use what you learned in this unit as a first-aid remedy in this situation? Select one: O A. Use active transport to your advantage to draw water into your foot. O B. Use osmosis to your advantage by placing your foot in a hypotonic solution. C. Use osmosis to your advantage by placing your foot in a hypertonic solution. D. Use an artificial concentration gradient to draw water into your foot. E. Use osmosis to your advantage by placing your foot in an isotonic solution.arrow_forwardYou 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 potentialarrow_forward
- In the diffusion and osmosis online experiment, which molecules would squeeze between the agar molecules and diffuse faster? A. larger methylene blue molecules B. neither molecules would be able to diffuse C. smaller purple potassium permanganate molecules D. both molecules would diffuse at the same ratearrow_forwardplant 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_forwardWhat ion is found in high concentration inside the cell relative to outside of the cell? A. Sodium B. Chloride C. Potassium D. None of the abovearrow_forward
- When a cell is put into a hypertonic solution: A. The solution has a greater concentration of soluters and fluid will leave the cell B. The solution has a lesser concentration of solutes and fluid will leave the cell. C. The solution has a greater concentration of solutes and fluid will move into the cell. D. The solution has a lesser concentration of solutes and fluid will move into the cell.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_forwardIf the concentration of a solute is the same both inside and outside the cell, what might you expect with regard to its transport by a membrane protein? A. Since there is no concentration gradient, no transport either in or out of the cell is possible. B. The transport protein has been saturated. C. The solute must be phosphorylated with a phosphate group from ATP before further transport can occur. D. Movement of the solute across the membrane could occur and cause accumulated on one side of the membrane by an active transport protein. The concerted model of allosteric regulation is different from the sequential model, because: A. The concerted model is used to explain homotropic effects B. The sequential model is used to explain heterotropic effects C. Both A and B D. Neither A nor Barrow_forward
- How can substances be transported across a membrane against their concentration gradient? A. If the plasma membrane is fully hydrophobic. B. The plasma membrane is permeable to all small molecules. C. Some membrane proteins act as channels for specific molecules to enter the cell. D. Some membrane proteins are ATP-dependent carrier molecules.arrow_forwardWhen a cell is surronded by hyptonic solution, which of the following will occur? A. The cell will swell up, as water goes into the cell. B. The cell will shrivel, as water leaves the cell. C. The cell will remain the same size.arrow_forwardIf a cell is placed in a hypertonic solution of NaCl (which becomes Na+ and Cl- when dissolved in water-based solutions) a. water will move into the cell and the cell with swell b.water will move out of the cell and the cell will shrinkarrow_forward
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