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Question
The two polynucleotide chains in DNA are ______.
Options
discontinuous
antiparallel
semi-conservative
parallel
MCQ
Fill in the Blanks
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Solution
The two polynucleotide chains in DNA are antiparallel.
Explanation:
The two DNA strands run in opposite directions: one 5′ → 3′ and the other 3′ → 5′. This orientation is called antiparallel.
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