Duration: 3:18

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Mark the correct choice as:
(1) If both Assertion (A) and Reason (R) are True and the Reason (R) is a correct explanation of the Assertion (A).
(2) If both Assertion (A) and Reason (R) are True but Reason (R) is not a correct explanation of the Assertion (A).
(3) If Assertion (A) is True but the Reason (R) is False.
(4) If Assertion (A) is False but the Reason (R) is True.
Assertion (A): The two strands of DNA are antiparallel.
Reason (R): In one strand of DNA, ribose sugar at 5 end consists of a free phosphate moiety while at the other end the ribose has a free \( 3^{\prime} \mathrm{OH} \) group.
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