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