Question

Assume that a single layer of phospholipids coat the water in a beaker. Which part of the phospholipid molecule will face the air?

Answer 1

A the phosphate groups
B the hydrocarbon tails
C the phospholipids would dissolve and not form a membrane coat
D both heads and tails as the molecules are amphipathic and will lie sideways

Answer 2

The phosphate heads, these are hydrophobic, so avoid the air

Answer 3

Water not air

Answer 4

h