21. A lipid derived from isoprenoid precursors is __________.
(A) palmitate
(B) cholesterol
(C) arachidonate
(D) prostaglandin E
(E) sphingosine
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統計: A(6), B(89), C(9), D(7), E(3) #1629713
統計: A(6), B(89), C(9), D(7), E(3) #1629713