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DNA Structure and Replication

DNA Structure and Replication
Klenow fragment without free nucleotides exhibits

exonuclease activity
nickase activity
no activity
endonuclease activity

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

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

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DNA Structure and Replication
The 5' and 3' numbers are related to the

the number of phosphates
length of the DNA strand
the base pair rule
carbon number in sugar

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DNA Structure and Replication
DNA segments capable of moving from one place in the genome to another is known as

transposons
retrovirus
moving elements
introns

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DNA Structure and Replication
Which DNA polymerase removes RNA primers in DNA synthesis?

none of these
Polymerase III
Polymerase I
Polymerase II

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DNA Structure and Replication
What bands will be observed in a cesium chloride gradient after two rounds of replication?

One medium and one heavy band
One medium band
One light, one medium and one heavy band
One light and one medium band

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