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Hypo, Hyper, Iso Notes
Review: What is Osmosis?
= diffusion of WATER molecules from an area of
higher concentration to an area of lower
concentration.
3 Types of Solutions:
• Hypotonic Solution
• Isotonic Solution
• Hypertonic Solution
Hypotonic Solution
(HYPO = the cell is going to BLOW)
a. Cell increases in size.
b. WATER enters the cell
c. Solution has MORE
water and the cell has
LESS water
Example: Raisin getting
bigger in water
Isotonic Solution
(In is the Same as Out)
a. Cell remains the same
size.
b. WATER moves in and
out of the cell equally.
c. Solution and cell have
EQUAL amounts of
water.
Example: Red Blood Cell
Hypertonic Solution
a. Cell shrinks in size.
b. WATER leaves the cell.
c. Solution has LESS water and
the cell has MORE water.
Example: carrot in salt water
What type of solution are these cells in?
Hypertonic
Isotonic
Hypotonic