21. Although E. coli DNA polymerase I is not a replicase, it participates in DNA replication. What is its function?
(A) It synthesizes Okazaki fragments.
(B) It synthesizes an RNA primer.
(C) It unwinds the double helix.
(D) It uses nick translation to replace the RNA primer with DNA.
(E) It connects the 3' end of one Okazaki fragment with the 5' end of another.
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統計: 尚無統計資料
統計: 尚無統計資料