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Celuloza este compusul organic principal din celulele plantelor si algelor. Ramasitele respective au fost descoperite la adancimea de 610 metri in gropile special construite de guvernul federal pentru depozitarea deseurilor nucleare. Misterul acestor depozite a fost descifrat de echipa de studenti a Universitatii din North Carolina, conform acestora apa folosita la racirea reactoarelor nucleare a transportat urmele de plante fosile din straturile adanci ale solului spre centrala nucleara.
Profesorul Karl Niklas de la Universitatea Cornell este de parere ca plantele respective nu au fost fosilizate complet din cauze inca necunoscute, iar celuloza, datorita structurii sale chimice foarte simple s-a conservat aproape intacta timp de milioane de ani. Plantele, algele si bacteriile genereaza sute de gigatone de celuloza in fiecare an.
Tot el a demonstrat ca datorita aceleiasi structuri simple, celuloza nu a fost afectata major de catre reziduurile radioactive.
Sperantele intregii echipe de cercetatori se indreapta in acest moment spre eventualitatea descoperii unor secvente de AND active.
Sursa: National Geographic
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