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DNA Structure and Replication

DNA Structure and Replication
In an agarose gel, DNA is moving from

left to right
A to B
cathode to anode
anode to cathode

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DNA Structure and Replication
Proteins which help to open the double helix for DNA synthesis are

DNA topoisomerase
single stranded binding proteins
ligase
DNA helicases

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

Carbon
Nitrogenous base
Nucleotide
Phosphate

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DNA Structure and Replication
The nucleosome consists of histone

octamer and 146 bp of DNA
hexamer and 146 bp of DNA
None of these
tetramer and 146 bp of DNA

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DNA Structure and Replication
The site on a bacterial chromosome that marks the initiation point for chromosome replication is called

Pro
Ori
an initiation codon
a promoter

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DNA Structure and Replication
DNA replication in eukaryotes occurs only in

G2 phase
S phase
G1 phase
M phase

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