Multiple Choice
Which of the following best describes the water potential (\( \Psi \)) of a zucchini cube placed in pure water at atmospheric pressure?
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34. Vascular Plant Transport
Water Potential
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A plant cell placed in a solution with a higher water potential will __________.
A
lose water and become flaccid
B
lose water and become turgid
C
lose water and plasmolyze
D
gain water and plasmolyze
E
gain water and become turgid
Verified step by step guidance1
Understand the concept of water potential: Water potential is a measure of the potential energy of water in a system, and it determines the direction of water movement. Water moves from areas of higher water potential to areas of lower water potential.
Identify the condition of the solution relative to the plant cell: The problem states that the plant cell is placed in a solution with a higher water potential than the cell itself.
Predict the movement of water: Since water moves from higher to lower water potential, water will move from the solution into the plant cell.
Consider the effect on the plant cell: As water enters the plant cell, the cell will swell. Plant cells have a rigid cell wall that prevents them from bursting, so they become turgid (firm and swollen).
Conclude the outcome: The plant cell will gain water and become turgid when placed in a solution with a higher water potential.
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