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| Description: Beside each electron micrograph is a diagrammatic representation of the helical aggregate structure. a) Actin b) Tobacco mosaic virus. In the virus, protein subunits form a helical array about a helically coiled RNA. Picture Stats: Views: 224 Filesize: 414.55kB Height: 695 Width: 474 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=34110 |