Question

question 10 (2 points)
_____ are a large class of biological, detergent - like molecules that have a hydrophilic head and two hydrophobic tails and that form bilayers.

a) vitamins

b) proteins

c) amino acids

d) phospholipids

Explanation:

Phospholipids have a hydrophilic head (phosphate - containing) and two hydrophobic tails (fatty acid chains), and they form bilayers (like cell membranes). Vitamins, proteins, and amino acids don't match this structure.

Answer:

d) phospholipids