Key Words Medical microbiology PROKARYOTES Eubacteria Bacteria Mycoplasma, Chlamydia, Spirochetes, Rickettsia, Actinomycetes ARCHAEA EUKARYOTES: Fungi NOT CELL Virus PrionKey Words Medical microbiology PROKARYOTES  Eubacteria : Bacteria Mycoplasma, Chlamydia, Spirochetes, Rickettsia, Actinomycetes  ARCHAEA EUKARYOTES: Fungi NOT CELL  Virus  Prion