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DNA Structure and Replication

DNA Structure and Replication
Enzymes, responsible for unraveling short segments of DNA is

helicase
primase
DNA polymerase
DNA ligase

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DNA Structure and Replication
The packing ratio of nucleosomes is about

7
8
9
6

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DNA Structure and Replication
Overwinding or overtightening of DNA during replication is caused and removed by

DNAa, gyrase
Single stranded protein, DNAa
DNAb, gyrase
DNAb, DNA polymerase

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DNA Structure and Replication
DNAs when charged, migrate in a gel towards the

none of these
will not migrate
negative pole
positive pole

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DNA Structure and Replication
Okazaki fragments occur during

synthesis
replication
polymerase reaction
transformation

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DNA Structure and Replication
Klenow fragment without free nucleotides exhibits

no activity
endonuclease activity
exonuclease activity
nickase activity

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