【判断题】泪液有外层粘液层、中层水分、电解质恶化内层脂质层组成
【单选题】细胞膜脂质双分子层中,脂质分子的亲水基团()。
【判断题】Mr. Ballou didn’t intend to give the payment to the author,and that was why he encouraged the author to choose some of his books as a down payment.
【简答题】生物膜是指围绕在细胞最外层,由脂质和蛋白质组成的膜。
【简答题】泪液由外层粘液层、中层水分、电解质和内层脂质层组成。