3.1.5 Nucleic Acids

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  • 3.1.5 Nucleic acids
    • DNA
      • Deoxyribo-nucleic acid
      • Holds genetic info in all living cells
      • Components
        • Deoxyribose
        • Phosphate group
        • One organic base
          • Adenine
          • Cytosine
          • Guanine
          • Thymine
      • Structure
        • Double helix
          • 2 poly-nucleotide chains
            • Held together by hydrogen bonds
              • Between specific complementary base pairs
    • RNA
      • Components
        • Deoxyribose
        • Phosphate group
        • One organic base
          • Cytosine
          • Adenine
          • Guanine
          • Uracil
      • Relatively short poly-nucleotide chain
      • Transfers genetic info from DNA to ribosomes
        • Ribosomes formed from RNA & proteins
    • Condensation reaction between two nucleotides
      • Forms a phosphodiester bond

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