DNA strands are antiparallel because of the p | vedclass

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(A) The two strands of $DNA$ molecules run in opposite or antiparallel directions. This structural orientation is maintained because the nitrogenous b

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$H$-bonds

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(A) The two strands of $DNA$ molecules run in opposite or antiparallel directions. This structural orientation is maintained because the nitrogenous bases of the two strands are joined together by hydrogen bonds ($H$-bonds) following the principle of complementary base pairing. While phosphodiester bonds hold the nucleotides together within a single strand,the antiparallel nature is specifically defined by the orientation required for the hydrogen bonding between base pairs.

$DNA$ strands are antiparallel because of the presence of

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