21. The lowest energy value lipid for human nutrition is
A. olive oil
B. olestra
C. margarine
D. cardiolipin
22. How many classes of steroid hormones are there?
A. 3
B. 2
C. 4
D. 5
23. The number of water molecules consumed by the formation of phosphatidylserine are
A. 0
B. 1
C. 2
D. 4
24. Synthesis of fatty acid takes place when
A. fatty acid are plentiful
B. carbohydrate is plentiful
C. carbohydrate and energy are plentiful
D. none of these
25. Which of the following is called milk ejection hormone?
A. Prolactin
B. Vasopressin
C. Oxytocin
D. All of these