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DNA Structure and Replication

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

density
resorption
adhesion
absorption

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

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

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

Three
One
A smear
Two

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DNA Structure and Replication
In DNA double helix, the two DNA chains are held together by

None of these
hydrogen bonds between the pair of bases
ionic bonds between the pair of bases
covalent bonds between the pair of bases

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DNA Structure and Replication
Which will require a higher temperature to denature?

RNA with a high A-T content
DNA with a high G-C content
RNA with a high G-C content
DNA with a high A-T content

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

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