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ShareProkaryotes are organisms without a cell nucleus, or indeed any other membrane-bound organelles, in most cases unicellular (in rare cases, multicellular).
This set of characteristics is distinct from eukaryotes (also spelled "eucaryotes"), organisms that have cell nuclei and may be variously unicellular or multicellular.
For more information about the topic Prokaryote, read the full article at Wikipedia.org, or see the following related articles:
Organelle — In cell biology, an organelle is one of several structures with specialized functions, suspended in the cytoplasm of a eukaryotic cell. Eukaryotes ... > read more
Eukaryote — A eukaryote is an organism with a complex cell or cells, in which the genetic material is organized into a membrane-bound nucleus or nuclei. ... > read more
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Cell (biology) — The cell is the structural and functional unit of all living organisms, and is sometimes called the "building block of life." Some organisms, such as ... > read more
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Mitochondrion — In cell biology, a mitochondrion (plural mitochondria) is an organelle found in most eukaryotic cells. Mitochondria are sometimes described as ... > read moreNote: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Prokaryote at Wikipedia.org. See the Wikipedia copyright page for more details.
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