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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’ β†’ 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’ β†’ 3’ direction. The lagging strand forms in Okazaki fragments, which are later joined by DNA ligase.

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