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7 December, 05:49

What is the role of DNA ligase in the elongation of the lagging strand during DNA replication? A) It synthesizes RNA nucleotides to make a primer. B) It catalyzes the lengthening of telomeres. C) It joins Okazaki fragments together. D) It unwinds the parental double helix. E) It stabilizes the unwound parental DNA

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  1. 7 December, 05:57
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    C) It joins Okazaki fragments together

    Explanation:

    DNA ligase is an enzyme used by the cell during the DNA replication process which joins the discontinuous strands or Okazaki fragments formed during the process.

    The DNA ligase enables the formation of the bond between two nucleotides by binding the 3 'C sugar of one end to 5' C phosphate of another end, a bond called phosphodiester bond.

    In the given question, since the function of DNA ligase is asked which is to join the Okazaki fragments therefore is the correct option.

    Thus, Option-C is the correct answer.
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Home » Biology » What is the role of DNA ligase in the elongation of the lagging strand during DNA replication? A) It synthesizes RNA nucleotides to make a primer. B) It catalyzes the lengthening of telomeres. C) It joins Okazaki fragments together.
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