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(B) $DNA$ replication is semi-conservative and proceeds in the $5' 	o 3'$ direction. Because the two strands of the $DNA$ double helix are antiparall

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(B) $DNA$ replication is semi-conservative and proceeds in the $5' 	o 3'$ direction. Because the two strands of the $DNA$ double helix are antiparallel,the replication fork moves in one direction,but the synthesis of new strands occurs differently on the two templates. The leading strand is synthesized continuously in the $5' 	o 3'$ direction towards the replication fork. The lagging strand is synthesized discontinuously in the $5' 	o 3'$ direction away from the replication fork,forming Okazaki fragments. Option $B$ correctly depicts the antiparallel nature of the template strands ($5' 	o 3'$ and $3' 	o 5'$) and the resulting continuous and discontinuous synthesis of the new strands in the $5' 	o 3'$ direction.

Which one of the following correctly represents the manner of replication of $DNA$?

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