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.
Origin of polyadenylic acid
First recorded in 1955–60;
poly- +
adenylic acid
Words nearby polyadenylic acid
polyacrylic acid,
polyacrylonitrile,
polyadelphous,
polyadenitis,
polyadenopathy,
polyadenylic acid,
polyadic,
polyalcohol,
polyalphabetic substitution,
polyamide,
polyamine
Medical definitions for polyadenylic acid
polyadenylic acid
[ pŏl′ē-ăd′n-ĭl′ĭk ]
n.
A polymer of adenylic acid attached to mRNA that stabilizes the molecule before transport from the nucleus into the cytoplasm.