When a flaccid cell is placed in a solution that has was potential greater than the cell's water potential,

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  1. water will move from cell to the solution
  2. no movement of water
  3. water will move from solution to the cell
  4. there will be plasmolysis

Answer (Detailed Solution Below)

Option 3 : water will move from solution to the cell
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Detailed Solution

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The correct answer is water will move from solution to the cell

Concept:

  • Water potential is a measure of the potential energy of water in a system and is influenced by factors such as solute concentration and pressure.
  • A flaccid cell is one that is limp due to a lack of water. This occurs when the cell's water potential is lower than the surrounding environment.
  • When a cell is placed in a solution with a higher water potential than the cell, water tends to move into the cell to balance the water potential.

Explanation:

  • Water will move from solution to the cell: Since the solution has a higher water potential (less negative) compared to the flaccid cell, water will move into the cell, causing it to become turgid. This is a fundamental principle of osmosis, where water moves from a region of higher potential to a region of lower potential.

Other Options:

  • Water will move from cell to the solution: This is incorrect because water would move from the solution into the cell, not the other way around, given that the solution has a higher water potential.
  • No movement of water: This is incorrect because there will be a movement of water due to the difference in water potential between the cell and the solution.
  • There will be plasmolysis: This is incorrect because plasmolysis occurs when water leaves the cell, causing the cell membrane to pull away from the cell wall. In this scenario, water is moving into the cell, not out of it.
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