Clavatula helena is a species of sea snail, a marine gastropod mollusk in the family Clavatulidae.
"}{"type":"standard","title":"Holliday junction","displaytitle":"Holliday junction","namespace":{"id":0,"text":""},"wikibase_item":"Q1624837","titles":{"canonical":"Holliday_junction","normalized":"Holliday junction","display":"Holliday junction"},"pageid":4613341,"thumbnail":{"source":"https://upload.wikimedia.org/wikipedia/commons/thumb/8/8e/%D0%9D%D0%B5%D0%BF%D0%BE%D0%B4%D0%B2%D0%B8%D0%B6%D0%BD%D0%B0%D1%8F_%D1%81%D1%82%D1%80%D1%83%D0%BA%D1%82%D1%83%D1%80%D0%B0_%D0%A5%D0%BE%D0%BB%D0%BB%D0%B8%D0%B4%D0%B5%D1%8F_%28%D0%B0%D0%BD%D0%B3%D0%BB.%29.svg/330px-%D0%9D%D0%B5%D0%BF%D0%BE%D0%B4%D0%B2%D0%B8%D0%B6%D0%BD%D0%B0%D1%8F_%D1%81%D1%82%D1%80%D1%83%D0%BA%D1%82%D1%83%D1%80%D0%B0_%D0%A5%D0%BE%D0%BB%D0%BB%D0%B8%D0%B4%D0%B5%D1%8F_%28%D0%B0%D0%BD%D0%B3%D0%BB.%29.svg.png","width":320,"height":320},"originalimage":{"source":"https://upload.wikimedia.org/wikipedia/commons/thumb/8/8e/%D0%9D%D0%B5%D0%BF%D0%BE%D0%B4%D0%B2%D0%B8%D0%B6%D0%BD%D0%B0%D1%8F_%D1%81%D1%82%D1%80%D1%83%D0%BA%D1%82%D1%83%D1%80%D0%B0_%D0%A5%D0%BE%D0%BB%D0%BB%D0%B8%D0%B4%D0%B5%D1%8F_%28%D0%B0%D0%BD%D0%B3%D0%BB.%29.svg/1250px-%D0%9D%D0%B5%D0%BF%D0%BE%D0%B4%D0%B2%D0%B8%D0%B6%D0%BD%D0%B0%D1%8F_%D1%81%D1%82%D1%80%D1%83%D0%BA%D1%82%D1%83%D1%80%D0%B0_%D0%A5%D0%BE%D0%BB%D0%BB%D0%B8%D0%B4%D0%B5%D1%8F_%28%D0%B0%D0%BD%D0%B3%D0%BB.%29.svg.png","width":1250,"height":1250},"lang":"en","dir":"ltr","revision":"1282066191","tid":"b46341ca-0859-11f0-84a1-282b6cb7c7ca","timestamp":"2025-03-24T02:43:02Z","description":"Branched nucleic acid structure","description_source":"local","content_urls":{"desktop":{"page":"https://en.wikipedia.org/wiki/Holliday_junction","revisions":"https://en.wikipedia.org/wiki/Holliday_junction?action=history","edit":"https://en.wikipedia.org/wiki/Holliday_junction?action=edit","talk":"https://en.wikipedia.org/wiki/Talk:Holliday_junction"},"mobile":{"page":"https://en.m.wikipedia.org/wiki/Holliday_junction","revisions":"https://en.m.wikipedia.org/wiki/Special:History/Holliday_junction","edit":"https://en.m.wikipedia.org/wiki/Holliday_junction?action=edit","talk":"https://en.m.wikipedia.org/wiki/Talk:Holliday_junction"}},"extract":"A Holliday junction is a branched nucleic acid structure that contains four double-stranded arms joined. These arms may adopt one of several conformations depending on buffer salt concentrations and the sequence of nucleobases closest to the junction. The structure is named after Robin Holliday, the molecular biologist who proposed its existence in 1964.","extract_html":"
A Holliday junction is a branched nucleic acid structure that contains four double-stranded arms joined. These arms may adopt one of several conformations depending on buffer salt concentrations and the sequence of nucleobases closest to the junction. The structure is named after Robin Holliday, the molecular biologist who proposed its existence in 1964.
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{"fact":"Cats have about 130,000 hairs per square inch (20,155 hairs per square centimeter).","length":83}
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