chapter-2-prokaryote

Chapter2ProkaryoteProkaryotes:Bacteria(细菌)Archaea(远古细菌)Actinobacteria(放线菌)Mycoplasmatales(支原体)Rickettsiales(立克氏体)Chlamydiae(衣原体)Cyanobacteria(蓝细菌)Spirochaetes(螺旋体)Section1BacteriaMorphologyofProkaryotesCoccusorCocciRodSpirillumorSpirillaSpirocheteBuddingandappendagedFilamentousBacteriasizeCocci0.5~2μmRod(0.5~1.0)×(1~5)Spirillum(0.25~1.7)×(2~60)TheBacteriaCellsConsistingofcellwall,protoplasm(cytoplasmicmembrane,ribosome,inclusions,chromosome),flagellaTheCellWallofBacteria:StructureandFunctionTogiveshapeandrigiditytothecells(peptidoglycan(肽聚糖ormurein胞壁质)