Question

A cell membrane has a double layer of molecules. These molecules are made up of a phosphorus-containing “head” and two long, fatty acid “tails.” Which of the following best explains why the molecules are classified as lipids?
A. They are found in the cell membrane.
B. They contain phosphorus.
C. They form a double layer
D. They are made up of fatty acids

Answer 1

D I believe, in the picture that is attached explains