Biology Nucleic Acids

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  • Created by: Chloesn
  • Created on: 16-03-14 18:46
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  • Biology Chapter 8
    • DNA
      • Deoxyribonucleic acid
      • Nucleotides
        • Phosphate group
        • 5 carbon sugar -deoxyribose
        • Organic base
          • Adenine
            • Purine
              • 2 rings
          • Guanine
            • Purine
              • 2 rings
          • Thymine
            • Pyrimidine
              • Cytosine
              • 1 ring
          • Cytosine
      • Double helix
        • Polynucleotide
      • Stores genetic information
    • Complementary base paring
      • G=(3)C
      • A=T
      • Three bases code one amino acid
      • Weak hydrogen bonds
    • Anti-parallel
      • Two nucleotides
      • Hydrogen bonds
        • Helix
      • 5' prime and 3' prime
    • RNA
      • Ribonucleic acid
      • Ribose sugar
      • Uracil rather than thymine
      • tRNA
      • mRNA
      • rRNA
    • DNA replication
      • Semi conservative replication
      • DNA polymerase
        • Links, covalent phosphates and sugars
          • Only correct pairing
      • DNA helicase
        • Unzips - breaks hydrogen bonds
  • Transporting genetic information to synthesise proteins

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