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DNA Structure and Replication

DNA Structure and Replication
In an agarose gel, DNA is moving from

anode to cathode
A to B
cathode to anode
left to right

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

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

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DNA Structure and Replication
Which of the following is an active site on its single polypeptide chain for DNA Polymerase I?

5' → 3' polymerase
5' → 3' exonuclease
3' → 5' exonuclease
All of these

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DNA Structure and Replication
The DNA polymerase in bacteria, responsible for DNA synthesis is

Polymerase II
Polymerase III
all of these
Polymerase I

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DNA Structure and Replication
If one cell has AT contents 40%, what will be the percentage of Guanine residue?

15%
Guanine residue can not be calculated
30%
60%

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DNA Structure and Replication
First evident that DNA is genetic material comes from the experiment of Griffith is

replication
transduction
transformation
translation

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