A normal plant cell holds water in the vacuole of the cell. This large organelle also gives the cell support. Suppose a plant is submerged in salt water. As a result, the vacuoles collapse and the leaves wilt. This condition is called plasmolysis. Which explanation do you think best describes what happens to the cells of that plant during plasmolysis?


The water diffuses out of the cell to equalize the solute concentrations.
The water diffuses into the cell to equalize the solute concentrations.
The solute (salt) moves inside the cell to equalize the solute concentrations.
The solute (salt) pushes on the vacuole of the plant cell causing it to collapse.

Respuesta :

Correct Answer: A. The water diffuses out of the cell to equalize the solute concentrations.  

Explanation: When the plant is submerged in salt water, the solute (salt) concentration is greater outside the cell membrane than inside. In order to reach equilibrium, water diffuses out of the cell to equalize the solute concentration.

In this case, the best explains what happens to the cells of that plant during plasmolysis is - The water diffuses out of the cell to equalize the solute concentrations.

Osmosis is the type of diffusion in which solvent moves from the higher concentration to low concentration are to make the concentration equilibrium through a semi-permeable membrane.

  • in this case, placing the plant in the salt solution, the salt concentration is greater outside the cell membrane than inside.
  • To maintain the equilibrium, water diffuses out by the osmosis of the cell to equalize the solute concentration.
  • The solute is salt so the size of ions is too large to move therefore water moves from hypertonic solution and vacuoles collapses.

Thus, In this case, the best explains what happens to the cells of that plant during plasmolysis is - The water diffuses out of the cell to equalize the solute concentrations.

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