DNA & Translation

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  • DNA & Translation
    • Ribosomes
      • Made from rRNA (ribosomal RNA) & protein
      • Found in the cytoplasm of cells
      • It consists of a large sub unit & small subunit with a groove in which the mRNA can fit into & be 'read'
    • Transfer RNA (tRNA)
      • Hair pin shaped & found in the cytoplasm
      • Has 2 codons on each end -    >anticodon (shape compliments bases on mRNA)          >AA binding arm (AA bind by ester bond ACC)
    • The polypeptide
      • All polypeptides first AA is methionine (AUG codon)
      • The termination codon joins to a release factor (codons are: UAA, UAC, UGA)

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