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DNA Structure and Replication

DNA Structure and Replication
The enzyme responsible for breaking the hydrogen bonds, and thus separating the DNA strands during DNA synthesis is

DNA polymerase
helicase
strandase
none of these

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DNA Structure and Replication
Okazaki fragments occur during

synthesis
replication
polymerase reaction
transformation

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DNA Structure and Replication
The DNA is negatively super coiled, complexes to histone,

HU
HSP-1
All of these
H-NS

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DNA Structure and Replication
Which of the following are short nucleotides strands made by DNA polymerase working in the opposite direction of the replication fork?

Primers
Lagging strand
Leading strands
Okazaki fragments

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

Nitrogenous base
Phosphate
Carbon
Nucleotide

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

gyrase
polymerase
RNA ligase
DNA ligase

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