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DNA Structure and Replication

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

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

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DNA Structure and Replication
The DNA is negatively super coiled, complexes to histone,

HU
All of these
H-NS
HSP-1

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DNA Structure and Replication
In sperm heads, DNA is particularly highly condensed and the histones are replaced with small basic protein called

protamines
purines
pyrimidines
All of these

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

Yeast
Bacteria
Mold
Glass crystals

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DNA Structure and Replication
What is the only common methylation in the DNA of eukaryotes?

None of these
Cytosine in CpG dinucleotides
Guanosine in ApGpA trinucleotides
Adenosine in GpA dinucleotides

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DNA Structure and Replication
In the study of one experiment it was found that the value of Tm for DNA is = 40° C. If the cell has 20% GC at the above Tm, then what will be value of 'Tm' if the GC% increases to 60%?

Remains same
Decreases
Increases
Can not be compared

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