Relier Pairs Lipids part 1Version en ligne lipid structure par Danielle Woods 1 what are unsaturated fatty acids? 2 triglycerides 3 kcals/gram for fat 4 omega-3-fatty acid 5 omega-6-fatty acid 6 lipids 7 what are many lipids comprised of? 8 sterols 9 phospholipids 10 what are saturated fatty acids? 11 basic functions of lipids in the body 12 3 characterizations of fatty acids 13 what is the degree of saturation of a fatty acid determined by? no double bonds, solid at room temperature, have higher melting point first double bond is between 6th and 7th carbons from the omega end four connecting rings of carbon and hydrogen, do not contain glycerol or fatty acids, do not provide energy glycerol backbone + two fatty acids + a phosphate group + nitrogen group, hydrophilic on one end & hydrophobic on the other a single or double bond stores and provides energy, provides insulation, helps manufacture steroids and bile, plays a role in transporting fat-soluble nutrients in the blood, used to manufacture major sex hormones, key to structure of cell membrane glycerol + three fatty acids, add texture to baked goods, make meats tender, preserve freshness, store as adipose tissue for energy length of carbon chair, degree of saturation, and shape first double bond is between 3rd and 4th carbons from omega end category of compounds that include triglycerides, phospholipids, and sterols chain of carbon and hydrogen atoms with a carboxyl group at the alpha end and a methyl group at the omega end 9 kcals/gram double bond(s), liquid at room temperature, have a lower melting point