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What is the function of DNA ligase?

A. it adds a poly A tail to the ends of eukaryotic DNA
B. It binds the okazaki fragments together and proofreads the strands
C. it untwists the strands and removes the hydrogen bonds
D. It adds new base pairs to the original strand​

User Severin
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Answer: B

Step-by-step explanation:

User Rudolf Lamprecht
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