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DNA Structure and Replication

DNA Structure and Replication
Klenow fragment without free nucleotides exhibits

nickase activity
no activity
endonuclease activity
exonuclease activity

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DNA Structure and Replication
The most common liquid volumes in molecular biology are measured in

μl
ml
1
nl

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DNA Structure and Replication
After one replication in 15N, how many bands should be observed in a cesium chloride gradient?

Two
One
A smear
Three

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DNA Structure and Replication
30 nm wide helix with five or six nucleosomes per helix is known as

none of these
kinoplast
solenoid
halonoid

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DNA Structure and Replication
The melting of 40-45 bp at the oriC site of E. coli requires

DNA+ ATP + HU + DNAb + DNAa
DNA + ATP + HU + DNAb
DNA + ATP + HU
DNA + ATP + HU + DNAb + DNAa + Pol III holoenzyme

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

Polymerase
Replicase
Synthesase
Helicase

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