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DNA Structure and Replication

DNA Structure and Replication
Okazaki fragments occur during

transformation
synthesis
replication
polymerase reaction

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DNA Structure and Replication
An enzyme that recognizes foreign DNA, and results in a cut in that DNA is called

reverse transcriptase
restriction endonuclease
transposase
helicase

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DNA Structure and Replication
If one cell has AT contents 40%, what will be the percentage of Guanine residue?

60%
Guanine residue can not be calculated
30%
15%

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DNA Structure and Replication
Klenow fragment without free nucleotides exhibits

exonuclease activity
endonuclease activity
nickase activity
no activity

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DNA Structure and Replication
Which is the largest among the followings?

Carbon
Nucleotide
Phosphate
Nitrogenous base

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DNA Structure and Replication
What is the main damaging effect of UV radiation on DNA?

Formation of thymine dimers
Single strand break
Depurination
Dehydration

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