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DNA Structure and Replication

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

One
A smear
Two
Three

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DNA Structure and Replication
Which of the following would not contain DNA?

Mold
Yeast
Glass crystals
Bacteria

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DNA Structure and Replication
Proteins involved in opening a replication bubble are

DNA topoisomerase
ligase
single stranded binding proteins
DNA helicases

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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
Which is the largest among the followings?

Nucleotide
Nitrogenous base
Carbon
Phosphate

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DNA Structure and Replication
The role of primase is to

proofread base pairing
synthesize an RNA primer to begin the elongation process
cleave and unwinds short sections of DNA ahead of the replication fork
dismantle RNA primer

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