English: Drawing illustration the difference, in circular DNA, between an isolated right-handed secondary helical winding and an additional right-handed (“negative” tertiary helical supertwist. en:Linking number without Twists (Wr=Lk-Tw): left:Wr=0; right Wr=1.5
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{{Information |Description ={{en|1=Drawing illustration the difference, in circular DNA, between an isolated right-handed secondary helical winding and an additional right-handed (“negative” tertiary helical supertwist.}} {{de|1=DNA verwunden}}...
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