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Dictionary

pro•tist

Pronunciation: (prō'tist), [key]
—n.
any of various one-celled organisms, classified in the kingdom Protista, that are either free-living or aggregated into simple colonies and that have diverse reproductive and nutritional modes, including the protozoans, eukaryotic algae, and slime molds: some classification schemes also include the fungi and the more primitive bacteria and blue-green algae or may distribute the organisms between the kingdoms Plantae and Animalia according to dominant characteristics.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

prothrombin

Protista

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