from The American Heritage® Dictionary of the English Language, 4th Edition
- n. See RNA.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A derivative of DNA having ribose in place of deoxyribose, and uracil in place of thymine; its primary function is in the transcription of genetic material and subsequent synthesis of protein.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. (biochemistry) a long linear polymer of nucleotides found in the nucleus but mainly in the cytoplasm of a cell where it is associated with microsomes; it transmits genetic information from DNA to the cytoplasm and controls certain chemical processes in the cell
ribo(se) + nucleic acid.(American Heritage® Dictionary of the English Language, Fourth Edition)
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