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12 Citations We had learn in BS 1001 that only exons are used to code for protein, these junk DNA once thought of no use at all, but now it is discover and known that they serve a purpose in organisms., delicious.commany transcription factors, the master proteins that control the expression of other genes, bind specific repeat elements. The researchers showed that from 18 to 33% of the binding sites of five key transcription factors with important roles in cancer and stem cell biology are embedded in distinctive repeat families. Over evolutionary time, these repeats were dispersed within different species, creating new regulatory sites throughout these genomes. Thus, the set of genes controlled by these transcription factors is likely to significantly differ from species to species and may be a major driver for evolution., delicious.com
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http://highered.mcgraw-hill.com/sites/dl/free/0072556781/192786/anim0060.swf 1 Citation mRNA, delicious.com
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Malin: maximum likelihood analysis of intron evolution 1 Citation
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VCAC: Molecular Processes: mRNA Splicing 1 Citation Spliicing of mRNA, delicious.com
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picrender.fcgi (application/pdf Object) 1 Citation
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VCAC: Molecular Processes: mRNA Processing 1 Citation Detailed explanation of how mRNA is processed before it leaves the nucleus. Definitely AP/Honors appropriate!, delicious.com
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1 Citation This page is relevelantto my biological molecules module as it details the use of transcription factors and promoters when regulating genes in eukaryotic cells, delicious.com
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Recipes for life: How genes evolve - life - 24 November 2008 - New Scientist 1 Citation The most obvious way for a new gene to evolve is through the gradual accumulation of small, beneficial mutations. Less obvious is how an existing gene that already does something important can evolve into a different gene. The scope for such a gene to change tack without capsizing the organism that carries it is very limited. However, as biologists realised a century ago, this constraint no longer applies when mutations produce an entire extra copy of a gene., delicious.com
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From Bacteria to Us: What Went Right When Humans Started to Evolve? - New York Times 1 Citation
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