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Dictionary

aux•o•troph

Pronunciation: (ôk'su-trof", -trōf"), [key]
—n. Biol.
a mutant organism, esp. a microorganism, that has a nutritional requirement not shared by the parent organism. Cf. prototroph (def. 1).

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

auxochrome

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