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Which enzyme joins the Okazaki fragments into a continuous strand?

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Which enzyme joins the Okazaki fragments into a continuous strand?

(a) gyrase

(b) topoisomerase

(c) ligase

(d) helicase

This question was addressed to me in class test.

I would like to ask this question from DNA Replication in section DNA Replication and Repair, Cellular Reproduction of Cell Biology

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The correct answer is (c) ligase

The best explanation: The Okazaki fragments are synthesized discontinuously in 3’ to 5’ direction and then later joined into a continuous strand by the enzyme DNA ligase. This strand is termed as the lagging strand.

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