{"id": "Dqf8lee5zLo", "uploader": "UiO Realfagsbiblioteket", "uploader_id": "realfagsbiblioteket", "uploader_url": "http://www.youtube.com/user/realfagsbiblioteket", "channel_id": "UCynaukrA8wxvJOcyFQJN3Jg", "channel_url": "http://www.youtube.com/channel/UCynaukrA8wxvJOcyFQJN3Jg", "upload_date": "20161007", "license": "Creative Commons Attribution license (reuse allowed)", "creator": null, "title": "BIO-torsdag: Metylering av DNA og proteiner - b\u00e5de skadelig og n\u00f8dvendig", "alt_title": null, "thumbnail": "https://i.ytimg.com/vi/Dqf8lee5zLo/maxresdefault.jpg", "description": "Cellens DNA eksponeres kontinuerlig for en rekke reaktive stoffer. Mange av dem gir fra seg metylgrupper til DNAet, noe som kan \u00f8delegge informasjonen lagret i genene, og dermed for\u00e5rsake kreft. Alle organismer har derfor flere ulike mekanismer for \u00e5 fjerne slike skadelige metylgrupper. 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