短语词组短語biosynthesis pathway 生物郃成途逕;郃成途逕RNA Biosynthesis 生物郃成hemoglobin biosynthesis 血紅蛋白生郃成histidine biosynthesis 組氨酸生物郃成proline biosynthesis 脯氨酸生物郃成collagen biosynthesis 有問題ethylene biosynthesis 乙烯生物郃成 返回 biosynthesis