DNA A DNA molecule has two strands coiled together in the shape of a double helix 0.0 / 5 ? BiologyDNA and inheritanceGCSEAll boards Created by: annumhussainCreated on: 16-02-14 18:29 DNA DNA molecule has two strands coiled together in the shape of a double helix the two strands are held together by chemicals called bases the bases are paired and they are always paired up the same way - Base pairing A-T C-G base pairs are joined together by weak hydrogen bonds a gene is a section of DNA 1 of 1
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