Download Turgor Pressure Pages 32

Turgor Pressure Pages 32
The pressure produced when water pressure outside the cell is
higher than pressure inside. Water molecules will enter the cell by
osmosis. Water fills the vacuole and cytoplasm causing swelling.
This water will push against the cell wall. This outward pressure is
known as turgor pressure.
Questions - Turgor Pressure
1) When the cell fills with water, what happen to the cell wall?
The water fills the vacuoles and cytoplasm, causing them to
swell up and push against the cell wall.
2) What does turgor pressure do for plants?
Water pressure in a plant cell that pushes the cytoplasm
against the non-living cell wall, causing the plant cell to stay
rigid.
3) What happens in spring when the salt from winter roads
combines with water?
In the spring, the salt used on the road during the winter
combines with water from the snow to create a solution.
4) Discuss the concentrations of salt and water in and out of the
cell.
 When the concentration of salt is higher on the OUTSIDE
of the cell than on the INSIDE, it draws water from the
inside of the cell to the outside of the cell causing the cell
to shrink.
.
 When salt concentrations are higher on the INSIDE of the
cell than the OUTSIDE , it draws water INTO THE CELL
causing the cell to SWELL OR BECOME SWOLLEN.
Sometimes this leads to the cell rupturing.
5) Why does water leave the grass cells?
Water leaves the grass cells because it has a higher
concentration of salt on the outside of the grass cell then on
the inside, therefore drawing water out of the cell and
causing it to wilt.
6)
Explain what happen to cells when the water leaves.
As water leaves the cells, the cells shrink and their
cytoplasm pulls away from the cell wall.
7)
What happens if water is not replaced?
If water leaves and is not replaced the cells they will
eventually die.