Draw the structure of a triglyceride that contains one palmitic acid, one oleic acid, and one stearic acid portion. Circle the ester bonds. Thus the salts of the fatty acids are formed. Hydrolysis of fats is exothermic. Mention those found in cell membranes and those associated with inflammation in tissue, as well as others discussed in chapter 19.
Waxes occur as protective coatings.
Steroids include cholesterol and a number of hormones.