What Term Describes the Interior of a Phospholipid Bilayer

Question

What term describes the interior of a phospholipid bilayer?
A) hydrophobic
B) hydrophilic
C) proteinaceous
D) hydrogenated

Accepted Answer

The interior of a phospholipid bilayer is made up of hydrophobic (water-hating) fatty acid tails, which are shielded from the surrounding aqueous environment. The hydrophilic (water-loving) heads face the aqueous solution on either side of the membrane.