Lipids-Fats, Oils, and Waxes

1. Made of - __  ___  ___, but less O than Carbohydrates
		- Phosphorous in complex lipids.

2. Function or uses- parts of cell structure (Cell membrane)
		-serve as reserve energy supply
-2x's as much energy as the same amount of carbohydrates. 
		-plants store oil in seeds
-mammals store fat under the skin, cushions and helps stop heat loss.

3. Found in -salad and cooking oils 
		-butter
		-mayonnaise 

4. Formation and Structure 
	_______ - formed by the combination of fatty acids with compounds similar to glycerol
	______ and ______- are formed when fatty acids combine with glycerol 
	-_________ - a 3 carbon chain with OH (hydroxyl group) bonded to each carbon
	-_________- have two parts
		1) A chain of C atoms with H's bonded to each
2) A carboxyl group 1 C double bonded to O and to an OH (hydroxyl)

Formed by Dehydration Synthesis
 3 fatty acids to 1glycerol = 1fat molecule + 3H2O