Diffusion And Osmosis

Question 1

What is a selectively permeable membrane?

Answer 1

A selectively permeable membrane allows some but not all molecules to pass through

Question 2

What is diffusion?

Answer 2

Diffusion is the spreading out of molecules from a region of high concentration to a region of low concentration

Question 3

What is osmosis?

Answer 3

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

Question 4

What is turgor pressure?

Answer 4

Turgor pressure is the outward pressure of the cytoplasm and vacuole against the cell wall of a plant