poly — Abbreviated form and colloquialism for polymorphonuclear leukocyte. 1. Abbreviation for poly(adenylic acid). 2. Iridoid indole alkaloid isolated from Vinca sp.; may have pharmacologic applications; falling in this class are vinblastine and… … Medical dictionary
poly(A) — noun Etymology: poly + adenylic acid Date: 1957 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 … New Collegiate Dictionary
Poly- — 1) Prefix meaning much or many For example, polycystic means characterized by many cysts. 2) Short form for polymorphonuclear leukocyte, a type of white blood cell. * * * 1. Prefix denoting many; multiplicity. Cf.:multi , pluri . 2. In chemistry … Medical dictionary
poly(A) — ¦pälēˈā noun ( s) Etymology: poly + adenylic acid : RNA or a segment of RNA that is composed of a polynucleotide chain consisting only of adenine containing nucleotides and that codes for polylysine when functioning as messenger RNA in protein… … Useful english dictionary
poly — poly·acrylate; poly·acrylic; poly·acrylonitrile; poly·act; poly·actinal; poly·adel·phia; poly·adel·phous; poly·allel; poly·alphabetic; poly·amide; poly·amine; poly·an·dria; poly·an·dric; poly·an·drist; poly·an·dri·um; poly·an·drous; poly·an·dry;… … English syllables
polyadenylic acid — ˌ… noun Etymology: poly + adenylic acid : poly(a) herein * * * /pol ee ad n il ik, pol /, Biochem. a homopolymer of adenylic acid enzymatically added to messenger RNA in eukaryotic cells to inhibit the hydrolytic breakdown of messenger RNA. [1955 … Useful english dictionary
polyadenylic acid — /pol ee ad n il ik, pol /, Biochem. a homopolymer of adenylic acid enzymatically added to messenger RNA in eukaryotic cells to inhibit the hydrolytic breakdown of messenger RNA. [1955 60; POLY + ADENYLIC ACID] * * * … Universalium
polyadenylic acid — poly·ad·e·nyl·ic acid .il ik n POLY(A) * * * poly·ad·e·nyl·ic ac·id (pol″e ad″ə nilґik) a homopolymer composed solely of adenylic acid residues; see also polyadenylate tail, under tail. Abbreviated poly A … Medical dictionary
Queue poly (A) — Polyadénylation La polyadénylation consiste en l addition d une queue poly (A), une succession de nombreux ribonucléotides de type Adénosine (A) à l extrémité 3 des ARNm[1]. Chez les eucaryotes, cette étape s effectue dans le noyau, lors de sa… … Wikipédia en Français
polyadenylic acid — Polynucleotide chain consisting entirely of residues of adenylic acid (ie. the base sequence is AAAA....AAAA). Polyadenylic chains of various lengths are found at the 3 end of most eukaryotic mRNAs, the poly A tail … Dictionary of molecular biology