50. 下列有關膠原蛋白(Collagen)的敘述,何者錯誤? (A)由動物組織萃取 (B)主要成分為胺基酸 (C)容易經皮吸收(D) 具有保濕能力

7. On a relative basis, the weaker the intermolecular forces in a substance, (A) the greater its heat of vaporization (B) the more it deviates from ideal gas behavior (C) the greater its vapor pressure at a particular temperature (D) the higher its boiling point (E) all of the above