Quiz 10 - 11-6-09 Quiz 10 a. Franklin b. Griffith c. Avery...

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Unformatted text preview: 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.. . a. primase b. DNA polyase III c. DNA polyase I d. telomerase e. DNA ligase 7.The enzyme above in #6 that is very active in germ cells and tumor cells is… . 8. In DNA replication, the leading strand grows in the ____ direction. a. 5’ to 3’ b. 3’ to 5’ True (a) or False (b): 9. RNA nucleotides are essential for starting the DNA replication process. 10. The ‘lagging strand’ of new DNA grows away from the replication fork. Key: 1d, 2a, 3e, 4b, 5b, 6c, 7d, 8a, 9a, 10a ...
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This note was uploaded on 01/20/2010 for the course BIO 50415 taught by Professor Batterton during the Fall '09 term at University of Texas at Austin.

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