Final answer:
A glycolipid is composed of a hydrophilic head group and two hydrophobic tails.
Step-by-step explanation:
A glycolipid is composed of a hydrophilic head group and two hydrophobic tails. The head group consists of a phosphate-containing group attached to a glycerol molecule. The hydrophobic tails, each containing either a saturated or an unsaturated fatty acid, are long hydrocarbon chains.