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| Description: Guanosine 3’,5’-tetraphosphate senses amino acid starvation and responds by decreasing ribosomal RNA synthesis. A large number of transcription factors helps to explain the complexity of higher eukaryotes, even though the number of genes in a genome may be smaller than originally expected. Picture Stats: Views: 381 Filesize: 13.38kB Height: 225 Width: 289 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=35136 |