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| | biology - DNA replication |
 | | A DNA holoenzyme, which is actually a complex of enzymes that performs the actual replication. |
 | | After the helicase unwinds the DNA, single-strand binding protein is used to hold the DNA strands in place. |
 | | Another enzyme, DNA ligase, is used to connect the fragments. |
| www.biologydaily.com /biology/DNA_replication (808 words) |
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