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DNA Structure and Replication

DNA Structure and Replication
Klenow fragment without free nucleotides exhibits

no activity
nickase activity
exonuclease activity
endonuclease activity

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DNA Structure and Replication
Okazaki fragments occur during

polymerase reaction
replication
synthesis
transformation

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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
Dehydration
Depurination

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

negative pole
will not migrate
positive pole
none of these

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DNA Structure and Replication
What is the approximate size (in kb) of the E. coli genome?

3000 kilobase
5500 kilobase
4500 kilobase
6500 kilobase

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DNA Structure and Replication
Each replication bubbles consists of

2 replication forks
1 replication forks
3 replication forks
4 replication forks

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