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    Question

    Which of the following statements about DNA replication

    is correct?
    A DNA replication occurs in the G1 phase Correct Answer Incorrect Answer
    B It is a conservative process Correct Answer Incorrect Answer
    C DNA polymerase can synthesize DNA only in the 3’ → 5’ direction Correct Answer Incorrect Answer
    D The lagging strand is synthesized in short fragments called Okazaki fragments Correct Answer Incorrect Answer

    Solution

    DNA replication is semi-conservative, occurs in the S phase, and is synthesized in the 5’ → 3’ direction. The lagging strand forms in Okazaki fragments, which are later joined by DNA ligase.

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