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DNA Structure and Replication

DNA Structure and Replication
Okazaki fragments occur during

transformation
replication
synthesis
polymerase reaction

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DNA Structure and Replication
In DNA, guanine pairs with

Thymine
Adenine
Uracil
Cytosine

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

3000 kilobase
6500 kilobase
4500 kilobase
5500 kilobase

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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

strandase
DNA polymerase
none of these
helicase

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DNA Structure and Replication
What is the range of melting point temperatures (Tm) for most DNA molecules?

60 to 80°C
70 to 90°C
50 to 60°C
80 to l00°C

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DNA Structure and Replication
TM refers to the temperature at which

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

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