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DNA Structure and Replication

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

One
A smear
Three
Two

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DNA Structure and Replication
The replication of a linear DNA molecule in a eukaryotic chromosome creates a problem which is reported to be sorted out by

using RNA as a template
None of these
using enzyme called telomerase
shortening of the double stranded replicated portion

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DNA Structure and Replication
The accepted hypothesis for DNA replication is

evolutionary theory
semi-conservative theory
dispersive theory
conservative theory

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DNA Structure and Replication
Which of the following would not contain DNA?

Glass crystals
Bacteria
Yeast
Mold

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

density
absorption
resorption
adhesion

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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
proteins and DNA were responsible for heredity
DNA was responsible for heredity
phage DNA was similar to bacterial DNA

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