In the structure of DNA,which components are | vedclass

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(B) The $DNA$ molecule consists of two polynucleotide chains that form a double helix structure.These two chains are antiparallel,meaning they run in

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Polynucleotide chains

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(B) The $DNA$ molecule consists of two polynucleotide chains that form a double helix structure.These two chains are antiparallel,meaning they run in opposite directions ($5' \rightarrow 3'$ and $3' \rightarrow 5'$).They are held together by hydrogen bonds between the nitrogenous bases,keeping the chains at a constant distance from each other.Therefore,the two polynucleotide chains are the structures that are positioned opposite to each other,at an equal distance,and in opposite directions.

In the structure of $DNA$,which components are positioned opposite to each other,at an equal distance,and in opposite directions?

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