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DNA Structure and Replication

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

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

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

solenoid
none of these
halonoid
kinoplast

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DNA Structure and Replication
DNA replication takes place in which direction?

3' to 5'
Randomly
5 'to 3'
Vary from organism to organism

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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
Two
A smear
One

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DNA Structure and Replication
DNA replication results in

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

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DNA Structure and Replication
Replication in E. coli is initiated by the generation of short RNA primers using

primase
both (a) and (b)
RNA polymerase
reverse transcriptase

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