As the two parental (template) dna strands separate at a replication fork, each of the strands is separately copied by a dna polymerase iii (orange), producing two new daughter strands (light blue), each complementary to its respective parental strand. Because the two parental strands are antiparallel, the two new strands (the leading and lagging strands) cannot be synthesized in the same way.
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Answer:
Because the two parental strands are antiparallel, the two new ... b. daughter strand elongates toward replication fork
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Because DNA strands are anti-parallel with each other.
Explanation:
- DNA replicates by the process of semi conservative mode of replication in which one strand is parental strand and other strand is newly synthesized strand.
- DNA replication requires different enzymes like helicase, topoisomerase, primase and ligase.
- The replication of DNA contains the leading and lagging strand synthesis. Leading strand shows continuous replication and lagging strand shows discontinuous replication.
- The synthesis of strand occurs in opposite direction beacuse DNA polymerase moves in opposite directions and maintains the anti-parallel polarity of the DNA strands.
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