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DNA Structure and Replication

DNA Structure and Replication
An RNA primer is synthesized by

DNA topoisomerase
primase
ligase
DNA helicases

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

DNA polymerase
primase
DNA ligase
helicase

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DNA Structure and Replication
The most common liquid volumes in molecular biology are measured in

nl
1
μl
ml

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

twisting number
helix frequency
none of these
linking number

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DNA Structure and Replication
The packing ratio of nucleosomes is about

7
9
6
8

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

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