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DNA Structure and Replication

DNA Structure and Replication
Proteins involved in opening a replication bubble are

single stranded binding proteins
DNA topoisomerase
DNA helicases
ligase

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DNA Structure and Replication
For the DNA replication in eukaryotes, the cell cycle consists of

S, G2 and M phases
G2 and M phases
G1, G2 and M phases
G1,S, G2 and M phases

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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?

Evolutionary theory
Dispersive theory
Semi-conservative theory
Conservative theory

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DNA Structure and Replication
The overall conclusion of the Hershey-Chase experiment was that

proteins and DNA were responsible for heredity
phage DNA was similar to bacterial DNA
DNA was responsible for heredity
the ratio of Adenine to thymine was always the same

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DNA Structure and Replication
The site on a bacterial chromosome that marks the initiation point for chromosome replication is called

Ori
a promoter
an initiation codon
Pro

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

3000 kilobase
4500 kilobase
5500 kilobase
6500 kilobase

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