5.3 Diffusion

Question 1

Diffusion

Answer 1

Ney movement of particles from a high concentration to low concentration

Question 2

Simple diffusion

Answer 2

Diffusion occurring without the presence of a barrier/membrane

Question 3

Partially permeable membrane

Answer 3

Small polar molecules able to pass through membrane but larger molecules have more difficulty

Question 4

Facilitated diffusion

Answer 4

Diffusion across a membrane through protein channels

Question 5

Selectively permeable membrane

Answer 5

Membrane with protein channel, usually specific to one molecule or ion