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DNA Structure and Replication

DNA Structure and Replication
The DNA polymerase in bacteria, responsible for DNA synthesis is

Polymerase II
Polymerase I
Polymerase III
all of these

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DNA Structure and Replication
The size of a linear DNA fragment in a gel can be estimated by

the time it takes the gel to run
comparison with a molecular weight standard such as Hind III digested phage lambda
the sedimentation coefficient
fluorescence in UV light

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

single stranded binding proteins
DNA topoisomerase
ligase
DNA helicases

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DNA Structure and Replication
In sperm heads, DNA is particularly highly condensed and the histones are replaced with small basic protein called

All of these
purines
pyrimidines
protamines

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DNA Structure and Replication
DNA replication results in

two DNA molecules such that each one contains a strand of the original
two completely new DNA molecules
one new molecule of RNA
one new DNA molecules 1 old molecule

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DNA Structure and Replication
For the DNA replication in eukaryotes, the cell cycle consists of

G1,S, G2 and M phases
G1, G2 and M phases
G2 and M phases
S, G2 and M phases

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