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DNA Structure and Replication

DNA Structure and Replication
Okazaki fragments occur during

transformation
polymerase reaction
synthesis
replication

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

Nitrogenous base
Nucleotide
Phosphate
Carbon

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DNA Structure and Replication
Number of times the two DNA strands are interwined in circular DNA and is known as

linking number
none of these
twisting number
helix frequency

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DNA Structure and Replication
What bands will be observed in a cesium chloride gradient after two rounds of replication?

One medium and one heavy band
One light, one medium and one heavy band
One light and one medium band
One medium band

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

Dehydration
Depurination
Single strand break
Formation of thymine dimers

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DNA Structure and Replication
DNA replication takes place in which direction?

5 'to 3'
3' to 5'
Randomly
Vary from organism to organism

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