پاورپوینت در مورد dna rna - دانلود رایگان
دانلود رایگان
دانلود رایگان لینک دانلود و خرید پایین توضیحاتدسته بندی : پاورپوینتنوع فایل : powerpoint (..ppt) ( قابل ويرايش و آماده پرينت )تعداد اسلاید : 74 اسلاید قسمتی از متن powerpoint (..ppt) : DNA viruses dsDNA RNA viruses ss DNA always single molecule RNA viruses single or segmented Helical or icosahedron or complex (Pox,filo,etc.) (-) rnaviruses carry RNA polymerase Enveloped viruses are more sensitive Adenoviruses, Parvoviruses, Papillomaviruses and Polyomaviruses Adenoviruses First isolated in 1953 in a human adenoid cell culture. Approximately 100 serotypes have been recognized, at least 47 of which infect humans. Have been classified into six subgroups (A through F).