Category:Bacteria

A bacterium (plural: bacteria) is an organism belonging to the domain bacteria (in the three domain scheme). Traditionally classified as one of the five kingdoms, bacteria are microscopic, single-celled and their cell structure is relatively simple. Since they lack the nucleus and organelles of the more complex cells called "eukaryotes", bacteria are considered to be "prokaryotes."

For more information, see Bacteria.

Subcategories

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There are 16 subcategories in this category, which are shown below. More may be shown on subsequent pages.

A Actinobacteria Aquificae B Bacteria genera Bacteria organized by method of differentiating Bacterial nomenclature

B cont. Bacterial proteins Bacteriology Bacteriophage Bacteroidetes C Chlamydiae Cyanobacteria

F Firmicutes P Phototrophic bacteria Polysaccharide encapsulated bacteria Proteobacteria S Spirochaetes