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Dictionary

u•biq•ui•tin

Pronunciation: (yOO-bik'wi-tin), [key]
—n.
a small protein, present in all eukaryotic cells, that participates in the destruction of defective proteins and in the synthesis of new proteins.

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

Ubiquitarian

ubiquitous

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