lipids

saturated fats

lipids which are solid at room temperature and don’t have any carbon double bonds

unsaturated fats

lipids which are liquid at room temperature and have one or more double carbon bonds

glycerol

component of all lipids which has the chemical formula c3h8o3

methyl group

the CH3 group of a fatty acid

carboxyl group

the COOH group of a fatty acid

hydrocarbon chain

the (CH2)n group of a fatty acid

condensation

type of reaction where water is removed to form a bond

ester bonds

a bond that joins fatty acids to glycerol

hydrolysis

reaction where water is added to break a bond

lipase

digestive enzyme which hydrolyses triglycerides forming fatty acids and glycerol

phosphate group

negatively charged chemical group which replaces one of the fatty acids in a phospholipid

hydrophilic

chemical groups or molecules which attract water and are soluble in water

hydrophobic

chemical groups or molecules which repel water and are insoluble in water

fatty acids

part of a phospholipid which repels water

phosphate

part of a phospholipid which is soluble in water

bilayer

structure formed when phospholipid molecules are mixed with water