{ BIO } OCR F212 2.1.2 Nucleic Acids

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  • Created by: kaen
  • Created on: 29-05-15 19:26
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  • NUCLEIC ACIDS
    • RNA
      • ribonucleic acid
      • poly-nucleotide
      • A
        • Adenine
      • T
        • Thymine
      • C
        • Cytosine
      • U
        • Uracil
    • DNA
      • poly-nucleotide
      • deoxy-ribonucleic acid
      • A
        • Adenine
      • T
        • Thymine
      • C
        • Cytosine
      • G
        • Guanine
    • FORMATION OF DNA
      • purine and pyramidine
      • A and T
        • 2 H-bonds
      • G and C
        • 3 H-bonds
      • anti-parellel
    • REPLICATION
      • semi conserv-ative
      • double helix untwists
        • H-bonds break and 'unzip'
          • free nucleotidesline up to pair
            • DNA polymerase catalyses covalent bond between phosphates
              • DNA polymerase checks
    • PROTEIN SYNTHESIS
      • hydrogen bonds break
        • mRNA formed
          • mRNA peels away from DNA -> out through pore
            • ribosome
              • tRNA brings amino acids in correct order
                • peptide bonds

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