Membrane phospholipids are arranged in a bilayer with hydrophilic heads on the outside and hydrophobic tails in the middle. What is the advantage of this
arrangement?
A.) the phospholipid heads can interact with water inside and outside the cell

B.) the phospholipid heads repeal water inside and outside the cell

C.) the bilayer will not let any materials pass through it

D. the bilayer forms a non- permeable barrier