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It joins DNA fragments (such as an Okazaki fragments) together.Group of answer choicesprimasehelicaseDNA ligasetopoisomerasesingle-strand binding protein (SSBP)polymeraseOkazaki fragment

Question

It joins DNA fragments (such as an Okazaki fragments) together.Group of answer choicesprimasehelicaseDNA ligasetopoisomerasesingle-strand binding protein (SSBP)polymeraseOkazaki fragment

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Solution

The enzyme that joins DNA fragments together, such as Okazaki fragments, is DNA ligase. Here are the steps:

  1. During DNA replication, the enzyme DNA polymerase synthesizes new strands of DNA. However, on the lagging strand, it does this in segments known as Okazaki fragments.

  2. These fragments are separate pieces of DNA and need to be joined together to form a continuous strand.

  3. This is where DNA ligase comes in. DNA ligase is an enzyme that facilitates the joining of DNA strands together by forming a bond between the phosphate group of one strand and the deoxyribose group on another.

  4. DNA ligase moves along the lagging strand, sealing the gaps between the Okazaki fragments, thus creating a continuous DNA strand.

So, the answer to your question is DNA ligase.

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