Section 3
Lipids
Book
Version 32
By Boundless
By Boundless
Boundless Biology
Biology
by Boundless
4 concepts
![Thumbnail](../../../../../../figures.boundless-cdn.com/18563/square/figure-03-03-07.jpeg)
Lipid Molecules
Fats and oils, which may be saturated or unsaturated, can be unhealthy but also serve important functions for plants and animals.
![Thumbnail](../../../../../../figures.boundless-cdn.com/20331/raw/wachs-wax.jpg)
Waxes
Waxes are nonpolar lipids that plants and animals use for protection and have many functions in society.
![Thumbnail](../../../../../../figures.boundless-cdn.com/18565/square/figure-05-01-03a.jpeg)
Phospholipids
Phospholipids are amphipathic molecules that make up the bilayer of the plasma membrane and keep the membrane fluid.
![Thumbnail](../../../../../../figures.boundless-cdn.com/18567/square/figure-03-03-10.jpeg)
Steroids
Steroids, like cholesterol, play roles in reproduction, absorption, metabolism regulation, and brain activity.