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DNA Structure and Replication

DNA Structure and Replication
Reverse transcriptase produces

RNA from DNA
DNA from RNA
DNA from peptides
RNA from RNA

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DNA Structure and Replication
Which of the following would not contain DNA?

Mold
Bacteria
Yeast
Glass crystals

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DNA Structure and Replication
Which of the following is an active site on its single polypeptide chain for DNA Polymerase I?

5' → 3' polymerase
5' → 3' exonuclease
All of these
3' → 5' exonuclease

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DNA Structure and Replication
Each replication bubbles consists of

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

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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?

none of these
Thousands and tens of thousands
One
About 100

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DNA Structure and Replication
DNA with a G-C content of 50% will melt at approximately

90 °C
100 °C
70 °C
60°C

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