Chapter 13 - Diffusion and Osmosis

Question 1

selectively permeable membrane

Answer 1

allows some but not all molecules to pass through

Question 2

diffusion

Answer 2

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

Question 3

osmosis

Answer 3

the movement of water molecules from a region of high concentration to a region of low concentration across a semi-permeable membrane

Question 4

turgor pressure

Answer 4

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