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DNA Structure and Replication

DNA Structure and Replication
Each replication bubbles consists of

4 replication forks
1 replication forks
2 replication forks
3 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 medium band
One light and one medium band
One medium and one heavy band
One light, one medium and one heavy band

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

Polymerase II
Polymerase III
Polymerase I
all of these

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

6500 kilobase
3000 kilobase
4500 kilobase
5500 kilobase

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

linking number
twisting number
none of these
helix frequency

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DNA Structure and Replication
What is the IUPAC code for an A, C, T ambiguity in a nucleic acid sequence?

H
S
B
None of these

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