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DNA Structure and Replication

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

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

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DNA Structure and Replication
The overall conclusion of the Hershey-Chase experiment was that

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

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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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DNA Structure and Replication
Which of the following are short nucleotides strands made by DNA polymerase working in the opposite direction of the replication fork?

Primers
Leading strands
Lagging strand
Okazaki fragments

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DNA Structure and Replication
A cesium chloride will separate DNA molecules by

resorption
absorption
adhesion
density

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DNA Structure and Replication
What is the approximate size (in kb) of the E. coli genome?

5500 kilobase
3000 kilobase
4500 kilobase
6500 kilobase

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