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DNA Structure and Replication

DNA Structure and Replication
When DNA polymerase is in contact with guanine in the parental strand, what does it add to the growing daughter strand?

Guanine
Uracil
Phosphate
Cytosine

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DNA Structure and Replication
In DNA, guanine pairs with

Thymine
Cytosine
Adenine
Uracil

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DNA Structure and Replication
Klenow fragment without free nucleotides exhibits

no activity
nickase activity
exonuclease activity
endonuclease activity

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

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DNA Structure and Replication
Who's X-ray work aided Watson and Crick in their discovery of the double helix?

L. Pauling
R. Franklin
W.H. Bragg
Leaderberg

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DNA Structure and Replication
What is the name given to the points at which a DNA helix is unwound and new strands develop?

Replication forks
Okazaki fragments
Replication origins
Leading strands

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