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adenine

[ ad-n-in, -een, -ahyn ]

noun

  1. Biochemistry. a purine base, C 5 H 5 N 5 , one of the fundamental components of nucleic acids, as DNA, in which it forms a base pair with thymine, and RNA, in which it pairs with uracil. : A


adenine

/ -ˌnaɪn; -ˌniːn; ˈædənɪn /

noun

  1. a purine base present in tissues of all living organisms as a constituent of the nucleic acids DNA and RNA and of certain coenzymes; 6-aminopurine. Formula: C 5 H 5 N 5 ; melting pt: 360–365°C


adenine

/ ădn-ēn′ /

  1. A purine base that is a component of DNA and RNA, forming a base pair with thymine in DNA and with uracil in RNA. Adenine is also part of other biologically important compounds, such as ATP, NAD, and vitamin B-12, and occurs in tea. Chemical formula: C 5 H 5 N 5 .


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Word History and Origins

Origin of adenine1

1880–85; < German Adenin; aden-, -ine 2

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Example Sentences

Adenine and guanine are constituents of all nucleic acids (see below) and, hence, are found in all plant and animal tissues.

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Adeniadenitis