BIOLOGY (LOOSELEAF)-W/CONNECT
12th Edition
ISBN: 9781260692181
Author: Raven
Publisher: MCG
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Chapter 36, Problem 2U
The water potential of a plant cell is the
a. stun of the membrane potential and gravity.
b. difference between membrane potential and gravity.
c. sum of the pressure potential and solute potential.
d. difference between pressure potential and solute potential.
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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.
A plant cell placed in distilled water will…
If 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.
Chapter 36 Solutions
BIOLOGY (LOOSELEAF)-W/CONNECT
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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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
- 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 -arrow_forwardThe 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 Darrow_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
- Solutes tend to diffuse from a region where they ar_____ concentrated to an adjacent region where they are_______ concentrated. a. more, less c. movement is independent b. less, more of concentrationarrow_forwardThe energy source for movements of Na* and K* during an action potential is a. the Na*/K* ATPase b. the thermal energy in the cell membrane c. the concentration gradients for the ions d. determined by the lipids of the cell membrane e. the negative charge of the extracellular fluid relative to the cytosolarrow_forwardChoose the correct route of water transfer through the cell wall of root hair , cell membrane of cortex cell and epidermis cell Root hair Epidermis cells Cortex cells a imbibition osmosis osmosis b osmosis diffusion osmosis c active transport osmosis diffusion d permeability active transport diffusion (A) (B) (C) (D)arrow_forward
- Resting membrane potential: a. Is due to difference in permeability of cell membrane to ions b. Is determined by the different concentration of ions across the cell membrane c. All of the above. d. Is negative change inside the cell membrane.arrow_forwardWhich of these statements about ion movement through the plasmamembrane is true?a. Movement of Na+ out of the cell requires energy (ATP).b. When Ca2+binds to proteins in ion channels, the diffusion of Na+into the cell is inhibited.c. Specific ion channels regulate the diffusion of Na+ through theplasma membrane.d. All of these are truearrow_forwardWhen the central vacuole of a plant cell is _____________turgor pressure is __________. A. full of water; low B. full of water; high C. empty; high D. empty; unaffectedarrow_forward
- Which the following statement is FALSE:?a. Relative water content is not a very sensitive index because leaves can show strong responses to <2% change in RWCb. Relative water content is not a very sensitive index because it gives no information about the forces for water movementc. Relative water content is equal the ratio of the mass of water in a given leaf over the mass of water when that leaf was fully saturatedd. Relative water content is equal the ratio of the mass of water in a dry leaf over the mass of water when that leaf was fully saturatedarrow_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 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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