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DNA Structure and Replication

DNA Structure and Replication
Each replication bubbles consists of

4 replication forks
3 replication forks
1 replication forks
2 replication forks

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

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

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

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

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DNA Structure and Replication
The chromosomal DNA complexes with

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

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DNA Structure and Replication
Which of the following enzyme adds complementary bases during replication?

Polymerase
Helicase
Replicase
Synthesase

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DNA Structure and Replication
Number of times the two DNA strands are interwined in circular DNA and is known as

helix frequency
linking number
none of these
twisting number

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