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DNA Structure and Replication

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

adhesion
absorption
resorption
density

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

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

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DNA Structure and Replication
Okazaki fragments occur during

replication
synthesis
polymerase reaction
transformation

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DNA Structure and Replication
Which of the following are short nucleotides strands made by DNA polymerase working in the opposite direction of the replication fork?

Leading strands
Okazaki fragments
Primers
Lagging strand

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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

purines
All of these
pyrimidines
protamines

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DNA Structure and Replication
E.coli DNA polymerases II and III lack

5' → 3' exonuclease activity
partially 5' → 3' endonuclease activity
5' → 3' endonuclease activity
partially 5' → 3' exonuclease activity

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