What is the role of the enzyme ligase in DNA replication?
A) It unzips the double-stranded DNA.
B) It seals any breaks in the sugar-phosphate backbone.
C) It breaks the hydrogen bonds that hold the two strands of the DNA together.
D) It matches new bases to the old strand by complementary base pairing.
E) It folds the DNA into a coiled structurE.
Correct Answer:
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A)conservative.
B)semiconservative.
C)dispersive.
D)relaxeD.
E)stringent.
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