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DNA Structure and Replication

DNA Structure and Replication
Each replication bubbles consists of

3 replication forks
4 replication forks
2 replication forks
1 replication forks

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DNA Structure and Replication
What is the approximate percentage of repetitive DNA sequences in human DNA?

30 to 40%
10 to 20%
20 to 30%
40 to 50%

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

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

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

dispersive replication
Cri du Chat
conservative replication
semi-conservative replication

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DNA Structure and Replication
DNA polymerases I also has

5'-3' endonuclease activity
both (a) and (b)
5'-3' exonuclease activity
3'-5'exonuclease activity

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DNA Structure and Replication
What is the name given to the points at which a DNA helix is unwound and new strands develop?

Replication origins
Leading strands
Replication forks
Okazaki fragments

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