Bio 311c-Exam2-Key

Bio 311c-Exam2-Key - BIO 311c Exam 2 KEY MULTIPLE CHOICE 1....

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BIO 311c – Exam 2 – KEY Oct 29, 2007 MULTIPLE CHOICE 1. A 2. C 3. E 4. C 5. B 6. A 7. Correct answer = endocytosis 8. A 9. E 10. A 11. E 12. A 13. E 14. D 15. D 16. E 17. C 18. A 19. E 20. A 21. (not graded on scantron) 22. A or C 23. C SHORT ANSWER QUESTIONS 21. 1 pt each = IN and OUT 24. Acceptable proteins include: ligase, helicase, topoisomerase, polymeras I, polymerase III, primase, nuclease, single-stranded binding proteins. Look in textbook for definitions. 25. Any mention of supercoiling, overwinding, the DNA would stress, break; helicase could not split open the double-stranded DNA 26. No, because Nitrogen is found in both DNA and protein, so it wouldn’t distinguish between the two. OR you could say Yes, because you could use two different isotopes of Nitrogen – one to mark the DNA and another to mark the protein BUT you then have to describe how you could mark DNA with one isotope without marking the protein with that isotope. 27.
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This note was uploaded on 03/05/2009 for the course BIO 311C taught by Professor Satasivian during the Spring '08 term at University of Texas.

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