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DNA Structure and Replication

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

4500 kilobase
5500 kilobase
6500 kilobase
3000 kilobase

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DNA Structure and Replication
A cesium chloride will separate DNA molecules by

resorption
absorption
density
adhesion

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

DNA topoisomerase
single stranded binding proteins
DNA helicases
ligase

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DNA Structure and Replication
The packing ratio of nucleosomes is about

9
7
8
6

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

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

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DNA Structure and Replication
Proteins which help to open the double helix for DNA synthesis are

DNA topoisomerase
ligase
DNA helicases
single stranded binding proteins

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