[rahy-boh-noo-klee-eys, -eyz, -nyoo-] /ˌraɪ boʊˈnu kliˌeɪs, -ˌeɪz, -ˈnyu-/
noun, Biochemistry.
any of the class of enzymes that catalyze the hydrolysis of RNA.
/ˌraɪbəʊˈnjuːkliːˌeɪs; -ˌeɪz/
any of a group of enzymes that catalyse the hydrolysis of RNA

ribonuclease ri·bo·nu·cle·ase (rī’bō-nōō’klē-ās’, -āz’, -nyōō’-)
Any of various enzymes that catalyze the hydrolysis of RNA. Also called RNase.


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  • Ribonucleic-acid

    or ribose nucleic acid [rahy-boh-noo-klee-ik, -kley-, -nyoo-, rahy-] /ˈraɪ boʊ nuˈkli ɪk, -ˈkleɪ-, -nyu-, ˌraɪ-/ noun, Biochemistry. 1. RNA. ribonucleic acid /ˌraɪbəʊnjuːˈkliːɪk; -ˈkleɪ-/ noun 1. the full name of RNA ribonucleic acid ri·bo·nu·cle·ic acid (rī’bō-nōō-klē’ĭk, -klā’-, -nyōō-) n. RNA. ribonucleic acid (rī’bō-n-klē’ĭk) See RNA. ribonucleic acid [(reye-boh-nooh-klee-ik)] See RNA.

  • Ribonucleoprotein

    [rahy-boh-noo-klee-oh-proh-teen, -tee-in, -nyoo-] /ˌraɪ boʊˌnu kli oʊˈproʊ tin, -ti ɪn, -ˌnyu-/ noun, Biochemistry. 1. a substance composed of RNA in close association with protein; a nucleoprotein containing RNA. Abbreviation: RNP. ribonucleoprotein ri·bo·nu·cle·o·pro·tein (rī’bō-nōō’klē-ō-prō’tēn, -tē-ĭn, -nyōō’-) n. Abbr. RNP A nucleoprotein that contains RNA.

  • Ribonucleoside

    [rahy-boh-noo-klee-uh-sahyd, -nyoo-] /ˌraɪ boʊˈnu kli əˌsaɪd, -ˈnyu-/ noun, Biochemistry. 1. a ribonucleotide precursor that contains ribose and a purine or pyrimidine base. ribonucleoside ri·bo·nu·cle·o·side (rī’bō-nōō’klē-ə-sīd’, -nyōō’-) n. A nucleoside that contains ribose as its sugar component; as in uridine.

  • Ribonucleotide

    [rahy-boh-noo-klee-uh-tahyd, -nyoo-] /ˌraɪ boʊˈnu kli əˌtaɪd, -ˈnyu-/ noun, Biochemistry. 1. an ester, composed of a ribonucleoside and phosphoric acid, that is a constituent of ribonucleic acid. ribonucleotide ri·bo·nu·cle·o·tide (rī’bō-nōō’klē-ə-tīd’, -nyōō’-) n. A nucleotide that contains ribose as its sugar and usually occurs as a component of RNA.

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