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DNA Structure and Replication

DNA Structure and Replication
The accepted hypothesis for DNA replication is

evolutionary theory
dispersive theory
conservative theory
semi-conservative theory

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DNA Structure and Replication
How does ethidium bromide interact with DNA?

It binds to adenine
It intercalates between bases
It does not interact
It binds to phosphate

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DNA Structure and Replication
E.coli DNA polymerases II and III lack

partially 5' → 3' endonuclease activity
partially 5' → 3' exonuclease activity
5' → 3' exonuclease activity
5' → 3' endonuclease activity

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DNA Structure and Replication
TM refers to the temperature at which

50% of a DNA molecule is denatured
membranes are 50% fluid
50% of a protein molecules are denatured
All of these

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DNA Structure and Replication
The DNA is negatively super coiled, complexes to histone,

H-NS
All of these
HU
HSP-1

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DNA Structure and Replication
First evident that DNA is genetic material comes from the experiment of Griffith is

transformation
replication
translation
transduction

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