feature of dna molecule according to 10th class
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The DNA molecule consists of 4 nitrogen bases, namely adenine (A), thymine (T), cytosine (C) and Guanine (G) which ultimately forms the structure of a nucleotide. ... The strands are helically twisted, where each strand forms a right-handed coil and ten nucleotides make up a single turn. The pitch of each helix is 3.4 nm.
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