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DNA Structure and Replication

DNA Structure and Replication
DNA can be sequenced by the

chemical method
chain termination procedure
both (a) and (b)
physical method

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DNA Structure and Replication
DNA with a G-C content of 50% will melt at approximately

100 °C
60°C
90 °C
70 °C

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DNA Structure and Replication
DNA helicase is used to

break a phosphodiester bond in DNA strand
interact the double helix closely
unwind the double helix
None of these

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DNA Structure and Replication
For the DNA replication in eukaryotes, the cell cycle consists of

G2 and M phases
S, G2 and M phases
G1, G2 and M phases
G1,S, G2 and M phases

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

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

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

absorption
density
resorption
adhesion

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