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DNA Structure and Replication

DNA Structure and Replication
How does ethidium bromide interact with DNA?

It binds to adenine
It intercalates between bases
It binds to phosphate
It does not interact

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DNA Structure and Replication
DNA replication in eukaryotes occurs only in

G1 phase
M phase
G2 phase
S phase

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DNA Structure and Replication
Overwinding or overtightening of DNA during replication is caused and removed by

DNAb, gyrase
Single stranded protein, DNAa
DNAa, gyrase
DNAb, DNA polymerase

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

6500 kilobase
5500 kilobase
4500 kilobase
3000 kilobase

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DNA Structure and Replication
30 nm wide helix with five or six nucleosomes per helix is known as

solenoid
halonoid
none of these
kinoplast

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DNA Structure and Replication
Which histone(s) are associated with the linker DNA of a nucleosome?

Histone H4
Histone H3
Histones H2A and H2B
Histone H1

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