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Bio 6th vid 4

QuestionAnswer
What happens if plant cells are in less concentrated external solution? 1. Water moves into cell by osmosis (e.g water entering root hairs from soil). 2. Water enters the vacuole, which swells slightly and pushes the cytoplasm out against the cell wall. This causes turgor pressure. 3. Cell wall prevents the cell from swelling
What is turgor pressure? Turgor pressure occurs when there is an outward pressure of the cytoplasm and vacuole against the cell wall of the plant
3 notes about turgor pressure 1. When a plant cell experiences turgor pressure it's condition is now called turgid. 2. Plant cells remain turgid if they take in as much water as they may lose due to osmosis. 3. Cell walls and a vacuole are two features of a plant cell that allows it t
What is the function of turgor pressure? Provides strength for the plant
Why does the plant cell not burst? It has a cell wall
What is a turgid cell? water enters by osmosis, vacuole swells and pushes against cell wall
What is a flaccid cell? water lost from cell, vacuole shrinks, cell loses shape
What happens if plant cells are in more concentrated external solution? 1. Water moves out of the cell due to osmosis. 2. The cell shrivels and loses turgor pressure (known as plasmolysis). 3. The cell membrane moves away from the cell wall and the cell is now flaccid and shrivels.
What happens to a cell when it loses turgor pressure? 1. The vacuole and cytoplasm shrivel, and the cell membrane moves away from the cell wall. 2. The cell loses turgor or turgor pressure. The cell is said to be flaccid.
What happens to a plant when its cells lose turgor pressure? The plant wilts
How can plant cells return to a turgid condition? Place in distilled water
Name the substance that causes the change in mass in plant tissue? Water
Created by: Louie Masterson
 

 



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