Define: Fatty Acid, Triacylglycerol, Triglycerides, glycerol, phospholipid, steroid,
- Fatty acid: building block for most lipids, long carbon chain ending with carboxylic
- Tryiacylglycerol: aka triglycerides - built of glycerol attached to 3 fatty acids by thier carboxylic groups (fxn to store energy, insulate, and pad)
- Glycerol: 3 carbon backbone
- Phospholipid: glycerol backbone with a phosphate group in place of a fatty acid
- Steroid: four ringed hydrophobic molecule.