Fact 1: Lipids may consist of fatty acids alone, or they may contain other molecules as well.

Fact 2: Lipids Lipids are major components of cell membranes.

Given the two facts above, answer the question "what consists of fatty acids?" with the following options: 
- mammals
 - bioaerosols
 - h2o
 - battery cells
 - Energy.
 - hydrochloric acid
 - keeping the dog warm
 - cell membranes


 

        cell membranes 