2.生物膜的结构 生物膜是以磷脂、胆固醇和糖脂为主构成的双层脂膜 Carbohydrate Outside of cell attached Phospholipid to lipid bilayer Cholesterol Intrinsic proteins Extrinsic proteins Filaments of Inside of cell cytoskeleton (cytoplasm)2．生物膜的结构 • 生物膜是以磷脂、胆固醇和糖脂为主构成的双层脂膜