Gram-positive(G+)and gram-negative(G)bacteria G+ G- 肽聚糖 外膜蛋白 壁磷壁酸 孔蛋白 脂多糖 脂磷壁酸 磷脂 布朗氏脂蛋白 周质空间 肽聚糖 细胞质膜 细胞质膜 This document is produced by trial version of Print2Flash.Visit www.print2flash.com for more information