2.4 Membranes

Question 1

Functions of membrane proteins

Answer 1

Transport, receptors, anchorage, cell recognition, intercellular joinings, enzymatic activity

Question 2

Diffusion

Answer 2

The net movement of particles from a region of high concentration to a region on low concentration

Question 3

Osmosis

Answer 3

The net movement of water molecules across a semi-permeable membrane to a region of low solute concentration to a region of high solute concentration