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DNA Structure and Replication

DNA Structure and Replication
Okazaki fragments occur during

replication
transformation
synthesis
polymerase reaction

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DNA Structure and Replication
First evident that DNA is genetic material comes from the experiment of Griffith is

replication
translation
transduction
transformation

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

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

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

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

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DNA Structure and Replication
What is the range of melting point temperatures (Tm) for most DNA molecules?

60 to 80°C
80 to l00°C
70 to 90°C
50 to 60°C

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

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