Central dogma
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Central dogma

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Central dogma Presentation Transcript

  • 1. CENTRAL DOGMATo supplement the guided notes packet
  • 2. The flow of genetic informationfrom DNA to RNA to proteinInitially, the central dogma of biology was simply thoughtof as DNA  mRNA protein
  • 3. However, that has beenexpanded… Proteins can ‘force’ other transcription translation proteins to mimic themselves. Ex: Prion DiseasesDNA RNA Protein Environmen RNA can be autocatalytic (cut it self up) Reverse transcriptionBlue words = initial / classic understandingOrange words = new understandings
  • 4. What do all those nitrogenousbases mean? On the RNA strand, each bracket contains 3 nucleotides. 3 nucleotides are called a codon, each codon represents an amino acid. There are 64 (43) possible code words which is more than enough to code for the 20 amino acids
  • 5. Now it’s your turn.. You should be able to use the notes you took for homework to complete the questions up through the elongation stage of translation. Remember: There are lots of resources on the blog to help you!