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Home >> Microbiology >> Microorganism Classification on the Basis of Their Body and Nuclear Organization

Microrganism Classification on the Basis of their Body and Nuclear Organization

Microorganisms can be classified into two categories on the basis of their body organization:

(i) Microbes beyond cellular organization.

(ii) Cellular microorganisms.

Microbes beyond cellular organization, inspite of having the characters of cellular organisms, are completely devoid of any cell structure in their body organization e.g. viruses, viroids, prions and virusoids. Contrary to it, the cellular microorganisms have their body made up of cells e.g. bacteria, microalgae, microfungi, protozoans etc.

On the basis of nuclear organization the cellular microbes can further be grouped into two:
(i) Prokaryotes, (ii) Eukaryotes.

Prokaryotic microorganisms are those that possess incipient nucleus that lacks nuclear membrane, nucleoplasm and nucleolus. Examples are : archaebacteria, cyanobacteria and eubacteria. In contrast, the eukaryotic microorganisms possess a well developed nucleus with nuclear membrane, nucleoplasm and nucleolus. Examples are : micro algae, protozoans, slime moulds and microfungi.

 

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