: RNA or a segment of RNA that is composed of a polynucleotide chain consisting entirely of adenylic acid residues and that codes for polylysine when functioning as messenger RNA in protein synthesis
Dictionary Entries Near poly(A)
Cite this Entry
“Poly(A).” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/poly%28A%29. Accessed 16 Dec. 2024.
Copy CitationMedical Definition
poly(A)
noun
: 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share