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DNA Structure and Replication

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

Polymerase III
none of these
Polymerase I
Polymerase II

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

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

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DNA Structure and Replication
The chromosomal DNA complexes with

four types of histone as H1, H2A, H3 and H4
three types of histone as H1, H2A and H4
five types of histone as H1, H2A, H2B, H3 and H4
two types of histone as H1 and H4

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DNA Structure and Replication
One hypothesis of DNA replication suggested that the parental DNA molecules are broken into fragments. Both strands of DNA in each of the daughter molecules are made up of an assortment of parental and new DNA. This statement refers to which hypothesis?

Conservative theory
Dispersive theory
Evolutionary theory
Semi-conservative theory

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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
60 to 80°C
80 to l00°C
70 to 90°C

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DNA Structure and Replication
Which polymerase is active in DNA repairing

none of these
Polymerase II
Polymerase III
Polymerase I

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