2.猪构与功能特点： Cytoplasm with Capsule Cytoplasmic ribosomes Cell wall membrane Pilus Plasmid Flagellum Inclusion Pilus Mesosome Periplasmic Inclusion Chromosome space
2. 结构与功能特点：
(1) 细胞表面结枪 )细胞壁 peptidoglycan outer membrane periplasm cytoplasm cytoplasmic membrane Peptidoglycar Electron micrograph Electron micrograph of a G-cell wall. of a G+cell wall
(1) 细胞表面结构 Electron micrograph of a G- cell wall. Electron micrograph of a G+ cell wall. 1）细胞壁