Give a full answer to given question: Double-stranded DNA looks a little like a ladder that has been twisted into a helix, or spiral. The side supports (poles) of the ladder are ?
Expert Answers (1)
FOr given question is more correct answer is Backbone of DNA helix is formed by sugar and phosphate groups. The bases are attached to the backbones. The two vertical poles are held together by hydrogen bonds between the two nitrogen bases.
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