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Biology Exploring Study Set 1

Biology

Quiz 34 :

Transport in Plants

Quiz 34 :

Transport in Plants

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Suppose a living plant cell has =s = -0.5 MPa. Also suppose that the plant cell is placed into a beaker filled with a solution for which = 0. What will the cell then do?
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B

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Which term best describes the movement of ions and large molecules across membranes via transport proteins against their concentration gradient?
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D

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How would water flow if the ø of surrounding soil is higher than that in living root epidermal cells?
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D

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Which of the following should you expect to find in a living plant cell in a living plant?
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Which term best describes the movement of NH4+ ions into a cell down an electrochemical gradient?
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Which plant organelle stores solutes and plays a major role in maintaining turgor pressure?
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What are the primary aspects of the process used by a tall tree to move water to the leaves at the top of the tree?
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Suppose you discover a mutant plant that CANNOT actively transport solutes across the tonoplast. How will this plant differ from a wild-type plant?
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Consider a living plant cell in a living leaf that has higher water potential than the fluids surrounding the cell. What would happen to the water?
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Which of the following best describes the process by which individual plant cells typically gain or lose water?
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Suppose that a living plant cell is placed in a beaker with a solution that has a ø value lower than the ø value of the plant cell. What will happen to the plant cell?
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Which term best describes the structure that is necessary for facilitated diffusion?
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What does water potential refer to?
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What is the solute potential (øs) of a living plant cell in a living leaf that is not wilted relative to the fluids surrounding the cell?
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Suppose a living plant cell has p = 0.4 MPa and s = -0.5 MPa. Suppose also that the plant cell is placed into a beaker filled with a solution for which =s=-0.9 MPa. What will the cell then do?
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What is the pressure potential (øp) of a living plant cell in a living leaf that is not wilted relative to that in the fluids surrounding the cell?
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Which Greek letter is typically used to represent water potential?
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Which of the following best describes aquaporins?
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What does tonoplast refer to?
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Suppose that a living plant cell is placed in a beaker with pure water. How long will it take up water?
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