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DNA Structure and Replication

DNA Structure and Replication
The most common liquid volumes in molecular biology are measured in

ml
μl
1
nl

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DNA Structure and Replication
An enzyme that recognizes foreign DNA, and results in a cut in that DNA is called

restriction endonuclease
helicase
transposase
reverse transcriptase

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DNA Structure and Replication
The melting of 40-45 bp at the oriC site of E. coli requires

DNA + ATP + HU
DNA + ATP + HU + DNAb
DNA + ATP + HU + DNAb + DNAa + Pol III holoenzyme
DNA+ ATP + HU + DNAb + DNAa

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DNA Structure and Replication
Which is the largest among the followings?

Phosphate
Nitrogenous base
Carbon
Nucleotide

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DNA Structure and Replication
In a cesium chloride gradient, DNA labeled with 15N and centrifuged will form a band

above DNA containing 14N
all of these
with 14N-containing DNA
below DNA containing 14N

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DNA Structure and Replication
When DNA polymerase is in contact with guanine in the parental strand, what does it add to the growing daughter strand?

Phosphate
Cytosine
Uracil
Guanine

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