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nu•cle'ic ac'id

Pronunciation: (nOO-klē'ik, -klā'-, nyOO-), [key] Biochem.
any of a group of long, linear macromolecules, either DNA or various types of RNA, that carry genetic information directing all cellular functions: composed of linked nucleotides.

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

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