Medical Dictionary

poly(A)


poly(A)

noun \ˈpäl-ē-ˈā\

Definition of POLY(A)

:  RNA or a segment of RNA that is composed of a polynucleotide chain consisting entirely of adenine-containing nucleotides and that codes for polylysine when functioning as messenger RNA in protein synthesis—called also polyadenylate, polyadenylic acid
February 27, 2015
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An explanation or underlying reason
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