The Genetic Code

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  • Genetic code universal- same specific base triplets code for same amino acid in all living things
    • The Genetic Code
      • Sequence of base triplets in mRNA which code for specific amino acids
      • Degenerate- more combinations of triplets than amino acids
      • Start and stop codons found at beginning and end of mRNA
      • Some triplets used to tell cell when to start and stop production of protein
      • Some amino acids coded for by more than one triplet
      • Each base triplet read in sequence, separate from triplet before and after it
      • Base triplets don't share bases- non overlapping


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