試題詳解

30. As temperatures grow colder with the onset of winter, animals will adapt by changing the fatty acid composition of cell membranes. What characteristics of fatty acids will be seen?
(A) longer chains with greater unsaturation
(B) longer chains with greater saturation
(C) shorter chains with greater unsaturation
(D) shorter chains with greater saturation
(E) chain length and saturation do not change in a cell membrane