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polyribosome

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.04 sec.
polyribosome /poly·ri·bo·some/ (-ri´bo-sōm) a cluster of ribosomes connected with messenger RNA; they play a role in peptide synthesis.
Enlarge picture
Schematic diagram of polyribosomes synthesizing nascent polypeptide chains from a messenger RNA (mRNA) template, the direction proceeding 5′ to 3′.
pol·y·ri·bo·some (pl-rb-sm)
n.
A cluster of ribosomes connected by a strand of mRNA and functioning as a unit in protein synthesis. Also called polysome.
polyribosome.
See polysome.
polyribosome
a cluster of ribosomes connected with messenger RNA; they are formed for the translation of mRNA to proteins. See also ribosome.


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