Definitions
from The Century Dictionary.
- noun The cell-nucleus.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun cytology The
nucleus of acell
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a part of the cell containing DNA and RNA and responsible for growth and reproduction
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
From the Ancient Greek κάρυον ("nut, kernel").
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Examples
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Just a clarification: Both bacteria and archaeons are prokaryotes, so named because they lack the nucleus ( "karyon") that characterizes eukaryotes.
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