Fact 1: Steroid hormones are made of lipids, such as phospholipids and cholesterol.

Fact 2: Steroids are a kind of growth hormones.

Given the two facts above, answer the question "Growth hormones are derived from phospholipds and:" with the following options: 
- Energy.
 - cholesterol
 - animals
 - layers of fat
 - fur and fat
 - Chemical energy
 - kinetic energy
 - Energy


 

  cholesterol       