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DNA Structure and Replication

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

All of these
protamines
purines
pyrimidines

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DNA Structure and Replication
The packing ratio of nucleosomes is about

9
7
6
8

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

All of these
Tunicamycin
Bleomycin
Erythromycin

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DNA Structure and Replication
Each replication bubbles consists of

3 replication forks
4 replication forks
2 replication forks
1 replication forks

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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
Which is the largest among the followings?

Nitrogenous base
Nucleotide
Phosphate
Carbon

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