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DNA Structure and Replication

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

Three
A smear
One
Two

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DNA Structure and Replication
An important difference between eukaryotic and prokaryotic DNA replication is

more DNA polymerases are found in eukaryotes
multiple origins of replication in eukaryotes
RNA primers are not required in eukaryotes
eukaryotic DNA polymerases are faster

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DNA Structure and Replication
Klenow fragment without free nucleotides exhibits

no activity
exonuclease activity
endonuclease activity
nickase activity

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DNA Structure and Replication
In sperm heads, DNA is particularly highly condensed and the histones are replaced with small basic protein called

protamines
purines
pyrimidines
All of these

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DNA Structure and Replication
What is the IUPAC code for an A, C, T ambiguity in a nucleic acid sequence?

None of these
H
B
S

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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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