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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?

Phosphate
Guanine
Uracil
Cytosine

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DNA Structure and Replication
One hypothesis of DNA replication suggested that the parental DNA molecules are broken into fragments. Both strands of DNA in each of the daughter molecules are made up of an assortment of parental and new DNA. This statement refers to which hypothesis?

Conservative theory
Dispersive theory
Semi-conservative theory
Evolutionary theory

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DNA Structure and Replication
Which of the following are short nucleotides strands made by DNA polymerase working in the opposite direction of the replication fork?

Primers
Okazaki fragments
Leading strands
Lagging strand

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

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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 RNA primers used to initiate replication in E. coli

result in Okazaki fragments on leading strand
are removed by Pol I
are joined together by DNA ligase
are removed by helicase + ATP

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