DNA computing. Hairpins trigger an automatic solution.
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D019295:Computational Biology / Q000379:methods*; D004247:DNA / Q000737:chemistry*; D018076:DNA, Complementary / Q000737:chemistry; D004277:DNA, Single-Stranded / Q000737:chemistry; D009690:Nucleic Acid Conformation
D018076:DNA, Complementary; D004277:DNA, Single-Stranded; D004247:DNA