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DNA Structure and Replication

DNA Structure and Replication
The accepted hypothesis for DNA replication is

conservative theory
evolutionary theory
semi-conservative theory
dispersive theory

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

helicase
transposase
restriction endonuclease
reverse transcriptase

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DNA Structure and Replication
Replication in E. coli is initiated by the generation of short RNA primers using

reverse transcriptase
RNA polymerase
primase
both (a) and (b)

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DNA Structure and Replication
Which polymerase is active in DNA repairing

Polymerase I
Polymerase II
Polymerase III
none of these

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DNA Structure and Replication
The replication of a linear DNA molecule in a eukaryotic chromosome creates a problem which is reported to be sorted out by

shortening of the double stranded replicated portion
using RNA as a template
None of these
using enzyme called telomerase

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

none of these
solenoid
kinoplast
halonoid

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