Post transcriptional changes to mRNA

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  • Created by: Eva
  • Created on: 09-01-13 19:36
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  • Post transcriptional changes to mRNA
    • ''capping ends'' prevents enzyme attack
    • RNA splicing carried out by enzyme 'spliceosomers'
      • Removal of introns and some exons sometimes by these enzyme complexes
    • Proves than one gene can code for more than one protein.
      • The post transcriptional changes change the polypeptide sequence.
    • What is pre mRNA? Mostly nonsense introns instead of useful exons


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