Diffusion and osmosis Flashcards
1
Q
Selectively permeable membrane
A
Allows some but not all molecules to pass through
2
Q
Diffusion
A
Movement of molecules from an area of high concentration to a region of lower concentration
3
Q
Active transport
A
Movement of molecules from an area of low concentration to high, using energy
4
Q
Permeable
A
Let everything in and out
5
Q
Impermeable
A
Let nothing in or out
6
Q
Osmosis
A
The movement of water across a semi - permeable membrane from a region of high water concentration to a region of low water concentration
7
Q
Turgor/turgor pressure
A
The outward pressure of the cytoplasm and vacuole against the cell wall of a plant
