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DNA Structure and Replication

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

adhesion
resorption
absorption
density

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

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DNA Structure and Replication
What is the approximate percentage of repetitive DNA sequences in human DNA?

10 to 20%
30 to 40%
20 to 30%
40 to 50%

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

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

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DNA Structure and Replication
DNA helicase is used to

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

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

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

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