Monounsaturated fatty acids have a single double bond. Polyunsaturated fatty acids have multiple double bonds. Which of the following statements is true? O A. Monounsaturated fatty acids store more energy than polyunsaturated fatty acids. O B. Polyunsaturated fatty acids store more energy than monounsaturated fatty acids. O C. Polyunsaturated fats have a lower melting point than monounsaturated fatty acids. O D. Monounsaturated fats have a lower melting point than polyunsaturated fatty acids.

The symbol for the fatty acid below is ________________: ________________, n-____________________. CH3(CH2)2(CH=CHCH2)2(CH2)4COOH (This is a multiple blank question, e.g. for 12:1, n-3 you would enter 12, 1, and 3.)

Which of the following about glycerophospholipids and sphingolipids is incorrect? Select one: A. Both glycerophospholipids and sphingolipids are used as component of cell membrane. OB. Glycerophospholipids have two fatty acids connected to a glycerol backbone with a phosphate polar head group. * C. Both glycerophospholipids and sphingolipids contain at least one fatty acid. D. Sphingolipids have a sphingosine backbone in which a fatty acid can be attached to C1 and a sugar can be attached to C2. E. Ceramides are the precursors of all sphingolipids.

Which of the following is incorrect about the triacylglycerols? a. If they are of animal origin, they are called fats Ob. If two or three of their acyl groups are unsaturated, they are called oils Oc. They contain three ester bonds Od. If two or three of their acyl groups are saturated, they are liquids at room temperature