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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

Additional recommended knowledge

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

A

B

B cont.

C

F

P

S

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