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单词 dinucleotide
释义

dinucleotiden.

Brit. /dʌɪˈnjuːklɪətʌɪd/, U.S. /daɪˈn(j)ukliəˌtaɪd/
Origin: Formed within English, by derivation. Etymons: di- prefix1, nucleotide n.
Etymology: < di- prefix1 + nucleotide n.
Biochemistry.
A molecule consisting of two mononucleotides (see mononucleotide n.).
ΚΠ
1911 Jrnl. Biol. Chem. 9 171 (caption) Nucleic acid represented as a di-nucleotide.
1978 Nature 10 Aug. 609/1 Acridines and ethidium are frameshift mutagens which intercalate into DNA and RNA, and into minihelices made of complementary dinucleotides.
2012 S. Saksena & A.J. Camm Electrophysiol. Disorders of Heart (ed. 2) 74/2 The vast majority of introns begin with the di-nucleotides GT and end with the di-nucleotides AG.
This is a new entry (OED Third Edition, March 2020; most recently modified version published online March 2022).
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n.1911
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