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Quiz 10 - Quiz 10 a Franklin b Griffith c Avery d...

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11-6-09 Quiz 10 a. Franklin b. Griffith c. Avery d. Meselson/Stahl e. Hershey/Chase 1. Demonstrated the DNA replication is semiconservative. 2. Obtained critical data that revealed the helical nature of the DNA molecule. 3. Used P and S radioisotopes to specifically label DNA and proteins, respectively. 4. Observed benign bacteria were transformed when mixed with dead harmful bacteria. 5. The enzyme that first unwinds the DNA helix at the replication forks is,,, . a. DNA polyase III b. helicase c. DNA ligase d.DNA polyase I e. topoisomerase 6. The enzyme responsible for removing the primer that starts DNA replication is.. .
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