DNA strands are antiparallel because of the presence of

MCQ

$DNA$ strands are antiparallel because of the presence of

✓
$H$ -bonds
B
Peptide bonds
C
Disulfied bonds
D
Phosphate-diester bonds

✓

Answer

Correct option: A.

$H$ -bonds

a
(a) The two strands of $DNA$ molecules run in opposite or antiparallel direction due to presence of hydrogen bond because two base $i.e.$ one in each chain of $DNA$ molecule, joined together by hydrogen bonds.

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