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DNA Structure and Replication

DNA Structure and Replication
Which polymerase is active in DNA repairing

none of these
Polymerase III
Polymerase I
Polymerase II

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DNA Structure and Replication
Okazaki fragments occur on the __________ and are bonded together by __________

tRNA, polymerase
mRNA, anticodons
Lagging strand, ligase
Leading strand, polymerase

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

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DNA Structure and Replication
In DNA, guanine pairs with

Thymine
Uracil
Cytosine
Adenine

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DNA Structure and Replication
The nicks or gaps between Okazaki fragments are eventually sealed by

DNA ligase
polymerase
gyrase
RNA ligase

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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?

Okazaki fragments
Replication forks
Leading strands
Replication origins

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