单词	ribonuclease
释义	ribonuclease noun ri·​bo·​nu·​cle·​ase ˌrī-bō-ˈnü-klē-ˌās  -ˈnyü-, -ˌāz : an enzyme that catalyzes the hydrolysis of RNA called also RNase Example Sentences Recent Examples on the Web The finding that extracellular miRNAs circulate in body fluids, despite the presence of ribonuclease, indicates that mechanisms exist to protect miRNAs from degradation. Chao Yan, Scientific American, 17 June 2020 To amplify the signal of ribosomal RNA, Tosar added compounds known as ribonuclease inhibitors to the samples, which block naturally occurring enzymes from digesting RNA. Roxanne Khamsi, Scientific American, 17 June 2020 Word History First Known Use 1938, in the meaning defined above Medical Definition ribonuclease noun ri·​bo·​nu·​cle·​ase ˌrī-bō-ˈn(y)ü-klē-ˌās, -ˌāz  : an enzyme that catalyzes the hydrolysis of RNA called also RNase
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