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DNA Structure and Replication

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

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

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DNA Structure and Replication
Enzymes, responsible for unraveling short segments of DNA is

DNA polymerase
DNA ligase
primase
helicase

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DNA Structure and Replication
There is a single origin for DNA replication in bacteria. How many origins of replication are found in the much larger genomes of eukaryotes such as mammals?

none of these
Thousands and tens of thousands
One
About 100

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DNA Structure and Replication
What is the main damaging effect of UV radiation on DNA?

Dehydration
Single strand break
Formation of thymine dimers
Depurination

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DNA Structure and Replication
A cesium chloride will separate DNA molecules by

absorption
adhesion
density
resorption

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

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

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