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Turgor Pressure
Turgor Pressure
• The pressure exerted by water inside
the cell, against the cell wall.
When the vacuole is full the plant stands up
How Does Turgor Pressure Affect Plants?
• The central vacuole fills with water getting bigger and
bigger.
• This pushes the organelles and cytoplasm toward the
cell wall.
• The cell wall then becomes very rigid as a result of
turgor pressure.
• This rigidity allows a plant to stand up.
• Without turgor pressure plants would always look wilted.
Osmosis
• Osmosis is the flow of water down its concentration
gradient, across a semi-permeable membrane.
• This means that it flows from
where it is at a higher
concentration to where it is at
a lower concentration in order
to try to equalize the
concentration.
Hypertonic, Hypotonic, and Isotonic
https://www.youtube.com/watch?v=IaZ8MtF3C6M