The structure of DNA resembles a twisted ladder because both strands are linked by hydrogen bonds.
What is DNA?
Deoxyribonucleic acid (DNA) is a double helix composed of two long chains of nucleotides linked by hydrogen bonds.
In DNA there exist only four different types of nucleotides (i.e., Guanine, Cytosine, Thymine and Adenine).
In conclusion, the structure of DNA resembles a twisted ladder because both strands are linked by hydrogen bonds.
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