DNA structure

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  • Created by: katie
  • Created on: 23-03-13 12:28
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  • DNA structure
    • Thymine, guanine, adenine, cytosine
    • DNA is a polymer of many nucleotides
    • Pentose sugar- deoxyribose
    • Nucleotides joined by condensation reactions
    • Double helix- hydrogen bonds
    • Nucleotides are linked by a chain- sugar phosphate backbone
    • GC TA
    • Purine, Pyrimidine
    • Polynucleotide  chains linked
    • .       .                                               .                    .     .

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