Chapter 9 - Lipids

the functions of fats

long term energy storage and insulation

the function of sterols

regulates growth and development

lipids

molecules rich in nonpolar C-C (carbon-carbon) or C-H (carbon-hydrogen) bonds

terpene and steroid structure

made of chains or fused rings of isoprene units

sterols

type of steroid with an -OH group

the types of lipids

fats, sterols, and phospholipids

triglyceride structure

3 fatty acids connected to a glycerol

unsaturated fats

fats with at least 1 double bond

saturated fats

fats with no double bonds

phospholipid’s main function

forms the cell membrane

monounsaturated fats

an unsaturated fat with 1 double bond

polyunsaturated fats

an unsaturated fat with 2+ double bonds

phospholipid structure

triglycerides with 2 fatty acid tails, a glycerol, and a phosphate group