病毒FIGURE15.24Trialversionof.OkdaDacPptJpegWmftoPdfConverter.http://www.okdosoft.comicosahedralmorphology.[B] Anenveloped icosahedral herpesvirus. [C]Ebolaviruses(whichcausehemorrhagicfever)areplemorphic,filamentousHCUREISvirionsthatexhibitavarietyofbizarecylindricalandfishhooklikeformsucoedetrfAlo,warderd,otV.CI0ccomocDmLmumTheirlengthvariesconsiderably from130nm to upto.14,000nm.Prominentetry[GlponvirusCHlT-eentugeCross striations are also seen.18IC0180.5mm
原核细胞型微生物prokaryotesTrialversionofOkdoDocPptJpegWmftoPdfConverter.http://www.okdosoft.com为细胞结构，但细胞核呈原始状态，即环状裸DNA团块状，无核膜、核仁。细胞器很不完善，只有核糖体。含DNA和RNA有6类：细菌、支原体、衣原体、立克次体、螺旋体、放线菌。这类微生物是种类和数量众多的一大群体，并都是单细胞微生物