1 - A single DNA molecule is unwound and unzipped by DNA helicase., 3 - The Okazaki fragments on the lagging strand are bound into a single continuous strand by the enzyme DNA ligase., 2 - DNA polymerase builds new DNA strands by pairing complimentary nucleotides. Continuously on the leading strand and in fragments on the lagging strand. , 4 - Two identical molecules of DNA are produced.,

DNA Replication

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