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DNA Structure and Replication

DNA Structure and Replication
Messelsen and Stahl model of replication was called

conservative replication
dispersive replication
semi-conservative replication
Cri du Chat

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DNA Structure and Replication
Which of the following is not a structural motif in DNA binding proteins?

helix-turn-helix
zinc finger
TFIID
bZIP

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DNA Structure and Replication
There is a single origin for DNA replication in bacteria. How many origins of replication are found in the much larger genomes of eukaryotes such as mammals?

Thousands and tens of thousands
none of these
About 100
One

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

absorption
density
adhesion
resorption

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DNA Structure and Replication
Number of times the two DNA strands are interwined in circular DNA and is known as

twisting number
none of these
linking number
helix frequency

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DNA Structure and Replication
First evident that DNA is genetic material comes from the experiment of Griffith is

transformation
translation
replication
transduction

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