Diffusion And Osmosis Flashcards
1
Q
What is a selectively permeable membrane?
A
A selectively permeable membrane allows some but not all molecules to pass through
2
Q
What is diffusion?
A
Diffusion is the spreading out of molecules from a region of high concentration to a region of low concentration
3
Q
What is osmosis?
A
Osmosis is the movement of water molecules across a semi-permeable membrane from a region of high water concentration to a region of low water concentration
4
Q
What is turgor pressure?
A
Turgor pressure is the outward pressure of the cytoplasm and vacuole against the cell wall of a plant
