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DNA Structure and Replication

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

Cri du Chat
conservative replication
semi-conservative replication
dispersive replication

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

replication
translation
transduction
transformation

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DNA Structure and Replication
The overall conclusion of the Hershey-Chase experiment was that

phage DNA was similar to bacterial DNA
the ratio of Adenine to thymine was always the same
DNA was responsible for heredity
proteins and DNA were responsible for heredity

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DNA Structure and Replication
The packing ratio of nucleosomes is about

6
8
9
7

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DNA Structure and Replication
An enzyme that recognizes foreign DNA, and results in a cut in that DNA is called

restriction endonuclease
reverse transcriptase
transposase
helicase

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DNA Structure and Replication
DNAs when charged, migrate in a gel towards the

positive pole
none of these
negative pole
will not migrate

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