This is an example of a triglyceride. To the right is a 3 carbon glycerol molecule. Attached to it are 3 fatty acids with long chains. Triglycerides are the main storage form of energy in the body. You can store 9 Calories per gram as triglycerides.
Cholesterol is required to produce stable cell membranes.
It is also a precursor for several hormones produced in the testes, ovaries and adrenal glands. Too much cholesterol will promote atherosclerosis. This is the 6 carbon sugar, glucose Major energy source for the body.