Ch13: Diffusion and Osmosis Flashcards
1
Q
Selectively permeable membrane
A
Allows some but not all molecules to pass through
2
Q
Diffusion
A
The spreading out of molecules from a region of high concentration to a region of low concentration
3
Q
Osmosis
A
The spreading out of water molecules, across a semi-permeable membrane, from a region of high water concentration to a region of low water concentration
4
Q
Turgor/Turgor pressure
A
The outwards pressure of the cytoplasm and vacuole against the cell wall of a plant