1.3 Membrane Structure

Question 1

State the property of amphipathic phospholipids that enables them to form a bilayer.

Answer 1

2 Hydrophobic fatty acid tail and hydrophilic polar phosphate head

Question 2

State the role of cholesterol in animal cell membranes.

Answer 2

Moderates the bilayer -
changes fluidity, thickness, compressibility and water penetration