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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
Bleomycin
All of these
Tunicamycin

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DNA Structure and Replication
DNAs when charged, migrate in a gel towards the

none of these
positive pole
negative pole
will not migrate

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DNA Structure and Replication
What is the exact name of the classical Watson-Crick double helix DNA?

X-DNA
Z-DNA
B-DNA
A-DNA

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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?

Uracil
Guanine
Phosphate
Cytosine

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DNA Structure and Replication
Overwinding or overtightening of DNA during replication is caused and removed by

DNAa, gyrase
DNAb, gyrase
Single stranded protein, DNAa
DNAb, DNA polymerase

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DNA Structure and Replication
What is the name given to the points at which a DNA helix is unwound and new strands develop?

Leading strands
Replication forks
Okazaki fragments
Replication origins

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