Question

the plasma membrane is mostly made of molecules that have hydrophilic heads and hydrophobic tails. these molecules are called ____________. multiple choice glycoproteins glycolipids lipoproteins phospholipids proteoglycans

Explanation:

Phospholipids have a hydrophilic (water - loving) head and a hydrophobic (water - fearing) tail, and they are the main components of the plasma membrane. Glycoproteins have carbohydrate chains attached to proteins, glycolipids have carbohydrate chains attached to lipids, lipoproteins carry lipids in the blood, and proteoglycans are large molecules with a protein core and glycosaminoglycan chains.

Answer:

D. phospholipids