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- A triglyceride can be optically active if it contains two or more different fatty acids.(a) Draw the structure of an optically active triglyceride containing one equivalent of myristic acid and two equivalentsof oleic acida) Label all the O atoms that are part of a glycoside in rebaudioside A. Rebaudioside A, marketed under the trade name Truvia, is a sweet glycoside obtained from the stevia plant, which has been used for centuries in Paraguay to sweeten foods. (b) The alcohol or phenol formed from the hydrolysis of a glycoside is called an aglycon. What aglycon and monosaccharides are formed by the hydrolysis of rebaudioside A?Identify the major class of each lipid from its components. a. fatty acids + glycerol b. fatty acids + sphingosine + a carbohydrate c. fatty acids + high-molecular-weight alcohols other than glycerol d. glycerol + fatty acids + phosphate group + choline e. fatty acids + sphingosine + phosphate group + a nitrogen compound