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| Description: a. A nononcogenic virus. b. An oncogenic virus such as Rous sarcoma virus, showing the viral oncogene downstream (rightward) from the viral replication genes. c. A defective oncogenic virus, such as Moloney murine sarcoma virus, with the viral oncogene replacing part or all of a gene (env) essential to viral replication. In each case the LTRs are direct repeats, flanked by short inverted repeats. Picture Stats: Views: 293 Filesize: 26.38kB Height: 210 Width: 282 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=35024 |