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chain termination codon

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stop codon

–noun Genetics.
a codon that stops the synthesis of a protein molecule.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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chain termination codon  
n.  See stop codon.
stop codon  
n.  Any of three codons, UAA, UAG, or UGA, that signal the termination of the synthesis of a protein. Also called chain termination codon.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: stop codon
Pronunciation: 'stäp-
Function: noun
: a genetic codon in messenger RNA that signals the termination of protein synthesis duringtranslation
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Science Dictionary
stop codon   (stŏp)  Pronunciation Key 
Any of three codons in a molecule of messenger RNA that do not code for an amino acid and thereby signal the termination of the synthesis of a protein. The three stop codons are UAA, UAG, and UGA, where U is uracil, A is adenine, and G is guanine. Also called termination codon.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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