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DNA Structure and Replication

DNA Structure and Replication
The accepted hypothesis for DNA replication is

semi-conservative theory
evolutionary theory
conservative theory
dispersive theory

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DNA Structure and Replication
In an agarose gel, DNA is moving from

left to right
A to B
anode to cathode
cathode to anode

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DNA Structure and Replication
Number of times the two DNA strands are interwined in circular DNA and is known as

helix frequency
none of these
twisting number
linking number

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DNA Structure and Replication
Who's X-ray work aided Watson and Crick in their discovery of the double helix?

L. Pauling
W.H. Bragg
Leaderberg
R. Franklin

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

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

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