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DNA Structure and Replication

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

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

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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
The enzyme responsible for breaking the hydrogen bonds, and thus separating the DNA strands during DNA synthesis is

DNA polymerase
strandase
none of these
helicase

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DNA Structure and Replication
What is the approximate size (in kb) of the E. coli genome?

6500 kilobase
5500 kilobase
3000 kilobase
4500 kilobase

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DNA Structure and Replication
DNA with a G-C content of 50% will melt at approximately

70 °C
60°C
90 °C
100 °C

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DNA Structure and Replication
TM refers to the temperature at which

50% of a DNA molecule is denatured
50% of a protein molecules are denatured
All of these
membranes are 50% fluid

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