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DNA Structure and Replication

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

HSP-1
All of these
HU
H-NS

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

Mold
Bacteria
Glass crystals
Yeast

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DNA Structure and Replication
How does ethidium bromide interact with DNA?

It intercalates between bases
It binds to phosphate
It does not interact
It binds to adenine

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DNA Structure and Replication
The nicks or gaps between Okazaki fragments are eventually sealed by

DNA ligase
gyrase
RNA ligase
polymerase

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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
Can not be compared
Decreases
Increases

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DNA Structure and Replication
When DNA polymerase is in contact with guanine in the parental strand, what does it add to the growing daughter strand?

Phosphate
Uracil
Guanine
Cytosine

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MORE MCQ ON DNA Structure and Replication

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