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DNA Structure and Replication

DNA Structure and Replication
30 nm wide helix with five or six nucleosomes per helix is known as

halonoid
solenoid
kinoplast
none of these

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DNA Structure and Replication
DNA replication results in

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

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DNA Structure and Replication
After one replication in 15N, how many bands should be observed in a cesium chloride gradient?

Three
One
A smear
Two

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DNA Structure and Replication
Telomeres are usually rich in which nucleotide?

Cytosine
Thymine
Guanine
Adenine

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

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

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DNA Structure and Replication
The overall conclusion of the Hershey-Chase experiment was that

phage DNA was similar to bacterial DNA
DNA was responsible for heredity
the ratio of Adenine to thymine was always the same
proteins and DNA were responsible for heredity

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