sunny811
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32 . During Dna replication in eukaryotic cells which of the following occurs when topisomerase I cleaves a phosphodiester bond in one DNA strand ?
A) Free rotation of the two section of helix on either side of the nick
B) A recombination event between adjacent double helices
C) Removal and subsequent transfer of the small piece of DNA to another position on the chromosome
D) Removal of mismatched nucleotides that can result in deleterious mutations
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| sunny811
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any one ???
is it that form 5 has some un answerable questions !?
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| Melu
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I think it is Answer A .Free rotation of the two section of helix on either side of the nick.
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| Yulik08
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A
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| Karime
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A
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| spinal shock
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A
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| brainstem
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A - it unwinds the helix.
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| vaibhavbora
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a , removal of supercoiling
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