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DNA Structure and Replication

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

Nitrogenous base
Phosphate
Carbon
Nucleotide

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DNA Structure and Replication
One hypothesis of DNA replication suggested that the parental DNA molecules are broken into fragments. Both strands of DNA in each of the daughter molecules are made up of an assortment of parental and new DNA. This statement refers to which hypothesis?

Dispersive theory
Evolutionary theory
Semi-conservative theory
Conservative theory

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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
Overwinding or overtightening of DNA during replication is caused and removed by

DNAa, gyrase
DNAb, gyrase
Single stranded protein, DNAa
DNAb, DNA polymerase

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DNA Structure and Replication
An enzyme that recognizes foreign DNA, and results in a cut in that DNA is called

restriction endonuclease
reverse transcriptase
helicase
transposase

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DNA Structure and Replication
DNA can be sequenced by the

chain termination procedure
chemical method
physical method
both (a) and (b)

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