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DNA
Biology
![DNA DNA](/media/4701/bio4_dna_nz6_9963a.jpg?anchor=center&mode=crop&width=1280&height=800&rnd=132265056110000000)
DNA or Deoxyribonucleic acid is the “code” of life. Observe the DNA’s double helix structure and build a molecule of DNA by using a code of four different letter (A, T, G, C) represented by different coloured bricks. How are the bricks joined together? Is any combination possible?
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