…In most DNA molecules, the two strands are arranged in opposite directions with the bases facing inwards, forming a right-handed helix that makes one turn every 10 bases (Figure 2-b). This double helix structure is also called the Watson-Crick model, named after its discoverers (Figures 2-c-I, 2-c-II, and 2-c-III). The bases of the two strands are connected by weak bonds called hydrogen bonds, and the base pairs are always either A and T or G and C. … *Some of the terminology explanations that mention "Watson-Crick" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…大多数のDNA分子では,2本の鎖が塩基を内側にして互いに逆向きに並び,10塩基で1回転する右巻きらせんを作っている(図2-b)。この二重らせん構造は,発見者の名により,ワトソン=クリックWatson‐Crickのモデルともいわれる(図2-c-Ⅰ,図2-c-Ⅱ,図2-c-Ⅲ)。2本の鎖の塩基間は水素結合という弱い結合で結ばれているが,この塩基対は必ずAとTまたはGとCという組合せのどちらかである。… ※「Watson-Crick」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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