Which of the Following Molecules is Not a Lipid

Question

Which of the following molecules is not a lipid?
A) Fatty acids
B) Steroids
C) Isoprenoids
D) Waxes
E) All of the above are lipids

Accepted Answer

All of the choices listed, including fatty acids, steroids, isoprenoids, and waxes, are types of lipids. Lipids are a broad group of naturally occurring molecules that include fats, waxes, sterols, fat-soluble vitamins (such as vitamins A, D, E, and K), monoglycerides, diglycerides, triglycerides, phospholipids, and others.