polyadenylic acid

[ pol-ee-ad-n-il-ik, pol- ]
/ ˈpɒl iˌæd nˈɪl ɪk, ˌpɒl- /

noun Biochemistry.

a homopolymer of adenylic acid enzymatically added to messenger RNA in eukaryotic cells to inhibit the hydrolytic breakdown of messenger RNA.

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Origin of polyadenylic acid

First recorded in 1955–60; poly- + adenylic acid
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Medical definitions for polyadenylic acid

polyadenylic acid
[ pŏl′ē-ăd′n-ĭlĭk ]

n.

A polymer of adenylic acid attached to mRNA that stabilizes the molecule before transport from the nucleus into the cytoplasm.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.