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The '''cell''' is the smallest unit of life capable of independently reproducing itself.  It is a small, watery, compartment filled with chemical-based machinery and a complete copy of the organism's [[genome]].

The '''cell''' is the smallest unit of life capable of independently reproducing itself.  It is a small, watery, compartment filled with chemical-based machinery and a complete copy of the organism's [[genome]].

There are two main types of cells: procariotic cells, which lack a real nuclei, and eucariotic cells, with a nuclei sepparated from cytoplasm by a nuclear membrane.

There are two main types of cells: prokaryotic<ref name="spell">Also spelled ''procariotic'' or ''procaryotic'' and ''eucariotic'' and ''eucaryotic''.</ref> cells, which lack a nucleus, and eukaryotic<ref name="spell" /> cells, with a nucleus separated from cytoplasm by a nuclear membrane.

A [[bacterium]] is a simple cell without a [[nucleus]] to protect its [[genetic information]].   

A [[bacterium]] is a simple cell without a [[nucleus]] to protect its [[genetic information]].   

==References==

==Notes==

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[[Category:Cellular Biology]]

[[Category:Cellular Biology]]