In the structure of DNA,which component of th | vedclass

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(D) In the double-helical structure of $DNA$,the backbone is formed by the sugar-phosphate chain,which is located on the outside of the helix.The nitr

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Nitrogenous bases

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(D) In the double-helical structure of $DNA$,the backbone is formed by the sugar-phosphate chain,which is located on the outside of the helix.The nitrogenous bases (adenine,guanine,cytosine,and thymine) are attached to the sugar and are directed inwards towards the central axis.These nitrogenous bases form hydrogen bonds with their complementary bases on the opposite strand,maintaining the stability of the $DNA$ structure.

In the structure of $DNA$,which component of the nucleotide is located towards the inside,perpendicular to the main axis?

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