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DNA Structure and Replication

DNA Structure and Replication
Okazaki fragments occur during

replication
synthesis
polymerase reaction
transformation

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DNA Structure and Replication
30 nm wide helix with five or six nucleosomes per helix is known as

solenoid
kinoplast
halonoid
none of these

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

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

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DNA Structure and Replication
The packing ratio of nucleosomes is about

9
8
6
7

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DNA Structure and Replication
The nicks or gaps between Okazaki fragments are eventually sealed by

DNA ligase
polymerase
gyrase
RNA ligase

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DNA Structure and Replication
Which of the following is an active site on its single polypeptide chain for DNA Polymerase I?

5' → 3' exonuclease
3' → 5' exonuclease
5' → 3' polymerase
All of these

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