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单词 rnase
释义

RNasen.

Brit. /ˌɑːrɛˈneɪz/, U.S. /ˌɑrɛˈneɪs/, /ˌɑrɛˈneɪz/
Forms: 1900s– RNase, 1900s– RNAase Brit. /ˌɑːrɛˈneɪeɪz/, U.S. /ˌɑrɛˈneɪˌeɪs/, /ˌɑrɛˈneɪˌeɪz/.
Origin: Formed within English, by derivation. Etymons: RNA n., -ase suffix.
Etymology: < RN- (in RNA n.) + -ase suffix. Compare earlier ribonuclease n. at ribo- comb. form .
Biochemistry.
= ribonuclease n. at ribo- comb. form .
ΚΠ
1948 Jrnl. Biol. Chem. 173 696 A paramecium paste was incubated with varying concentrations of ribonuclease (RNase) in the presence of Mg++ ions.
1968 A. White et al. Princ. Biochem. (ed. 4) xii. 258 The histidine residues of RNase are uniquely reactive with iodoacetate or bromoacetate at pH 5·5.
1977 Nature 22–9 Dec. 760/2 The ability of cassava latent virus nucleic acid to infect N[icotiana]clevelandii was destroyed by DNase but not RNase.
1990 L. T. Kirby DNA Fingerprinting iv. 67 Heat-treated RNAase is added at 40 μg per ml and the mixture allowed to digest for 1 h.
2007 S. O. Sassi & S. A. Benner in D. A. Liberles Ancestral Sequence Reconstruction xvii. 213/1 This implies..that non-digestive cousins of digestive RNases might remain in the genomes of modern mammals.
This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022).
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n.1948
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