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DNA Structure and Replication

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

an initiation codon
Ori
Pro
a promoter

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DNA Structure and Replication
In an agarose gel, DNA is moving from

A to B
cathode to anode
anode to cathode
left to right

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DNA Structure and Replication
Without telomerase, what would happen to the ends of chromosomes after each round of replication?

None of these
Chromosomes would get longer
Chromosomes would become progressively shorter
Nothing would happen

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DNA Structure and Replication
The chromosomal DNA complexes with

two types of histone as H1 and H4
five types of histone as H1, H2A, H2B, H3 and H4
three types of histone as H1, H2A and H4
four types of histone as H1, H2A, H3 and H4

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DNA Structure and Replication
DNA replication in eukaryotes occurs only in

M phase
G2 phase
G1 phase
S phase

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DNA Structure and Replication
After one replication in 15N, how many bands should be observed in a cesium chloride gradient?

Three
Two
A smear
One

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