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Unformatted text preview: b. A region of DNA on the chromosome and extra chromosomal piece of DNA with very similar sequences. c. A very short but specific DNA sequence on the chromosome. d. A plasmid. 5. (4 points) What enzyme is required for insertion sequences to be inserted? a. helicase b. DNA synthase c. ligase d. transposase CH385 Introduction to Cell Biology Name _________________________ Quiz #6 (30 points) AY 2007-2 6. (3 points) Exposure to sun light causes DNA damage by a. realigning the DNA base pairs. b. forming thymine dimmers in the DNA strand. c. interfering with RNA synthesis. 8. (3 points) What are the consequences of the process seen in the figure? a. There are no consequences. b. Gene 2 functions better than before the transposition. c. Gene 2 is disrupted. d. none of the above. Extra credit (3 points) Why is primase required for DNA synthesis? DNA polymerase III can not start strand synthesis de novo. It requires an existing strand....
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- Fall '08