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DNA Structure and Replication

DNA Structure and Replication
Which of these drugs bind to DNA and cuts it, producing hydroxyl radicals?

Erythromycin
Tunicamycin
Bleomycin
All of these

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DNA Structure and Replication
The 5' and 3' numbers are related to the

length of the DNA strand
the base pair rule
carbon number in sugar
the number of phosphates

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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%?

Can not be compared
Increases
Remains same
Decreases

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DNA Structure and Replication
Enzyme, responsible for proofreading base pairing is

DNA polymerase
DNA ligase
Primase
Telomerase

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DNA Structure and Replication
30 nm wide helix with five or six nucleosomes per helix is known as

halonoid
kinoplast
none of these
solenoid

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DNA Structure and Replication
In DNA, guanine pairs with

Adenine
Thymine
Uracil
Cytosine

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