In kastoo kala qeybinta kooxaha boqortooyada ee biyoloji lagu kala duwan yahay, wadanka Maraykanka iyo Kanada waxay qeybahaasi ka dhigaan ilaa lix kooxood (Xayawaan, Dhir, Fungi, Brotista, Arjaeya, Bakteriya); halka wadanada ay ka mid yihiin Ingiriiska, Hindiya, Australia, Latin Amerika, meelo badan oo Afrika ah iyo wadano kale waxay aqoonsadeen kaliya shan koox oo ka tirsan boqortooyada, kuwaasi oo kala ah: Xayawaanka, Dhirta, Fungiga, Brotistaha iyo Bakteriyada.[8]
↑Osaka, T; Beika, A; Hattori, A; Kohno, Y; Kato, K. H.; Mizutani, T. "Nuqul Archive"(PDF). Biochemical and Biophysical Research Communications. 300 (1): 236–40. PMID12480549. doi:10.1016/S0006-291X(02)02806-1. Waxaa laga kaydiyay the original(PDF) 2016-03-03. Soo qaatay 2015-12-27.Barameter aan la aqoon |ciwaan= ignored (caawin)
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