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DNA Structure and Replication

DNA Structure and Replication
The accepted hypothesis for DNA replication is

conservative theory
dispersive theory
evolutionary 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
Klenow fragment without free nucleotides exhibits

no activity
endonuclease activity
nickase activity
exonuclease activity

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DNA Structure and Replication
What is the exact name of the classical Watson-Crick double helix DNA?

X-DNA
A-DNA
B-DNA
Z-DNA

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DNA Structure and Replication
Deoxyribonucleoside triphosphates, being need in the chain termination methods are

dGTP and dCTP
dTTP
dATP
all of these

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DNA Structure and Replication
What bands will be observed in a cesium chloride gradient after two rounds of replication?

One medium and one heavy band
One light, one medium and one heavy band
One light and one medium band
One medium band

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