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The elongation of the leading strand during DNA synthesis (A) progresses away from the replication fork. (B) occurs in the 3' → 5' direction. (C) produces Okazaki fragments. (D) depends on the action of DNA polymerase.



Answer :

The elongation of the leading strand during DNA synthesis (D) depends on the action of DNA polymerase.

DNA synthesis is the process of replication of DNA where the two strands of DNA separate and individually act as parent strands to synthesize new daughter strands. The synthesis occurs in 5' → 3' direction. One of the strands formed is leading strand while the other discontinuous strands are the lagging strands.

DNA polymerase is the main enzyme that is responsible for DNA replication. It is of three types (I, II and III) in prokaryotes and of five (α, β, γ, δ and ε) types in eukaryotes.

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