Test 2 Spring 2009 Key

Test 2 Spring 2009 Key - your original exam2 score plus any...

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Exam 2 XC Opportunity – Spring 2009 & Exam Key How much can you earn and where will it be recorded? o Earn back up to 5% credit – to be applied to this exam only. When is it due? o March 26 th – At the beginning of class, email submissions will not be accepted What do you have to do? o This offer applies to ONLY the questions listed here: 1, 10, 11, 17, and 19 (If you got the question right, you’re not eligible to get credit back for it on top!) See the answer key below and compare to your scantron sheet! o Analyze each of the wrong answers for the question and explain what makes that answer wrong for the question. You don’t have to analyze the right answer. o Keep the analyses brief- 1-2 sentences per wrong answer. o Your analyses must be typed – no handwritten submissions will be taken. How will I know when it’s graded? o A new column will appear in WebCT, called Exam2+. This will reflect the combination of
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Unformatted text preview: your original exam2 score plus any credit earned back. Expect this to be recorded by April 3 rd . Exam 2 Key: 1. D 2. B 3. C 4. D 5. A 6. B 7. A 8. B 9. ANY ANSWER 10. D 11. B 12. C 13. B 14. C 15. C 16. B 17. A 18. C 19. A 20. A 21. D 22. D 23. C 24. A 25. B 26. P 27. R Exam 2 XC Opportunity – Spring 2009 & Exam Key 28. J 29. G 30. C 31. D 32. A 33. L 34. K 35. Q 36. H 37. K 38. M 39. Q 40. C 41. N 42. J 43. O 44. P 45. B 46. A. Oxygen is absent/reduced so that microbes cannot grow (vacuum sealing or flushing with alternative gases (i.e. nitrogen). B. Vacuum seal the bag, somehow remove oxygen and keep refrigerated. 47. Prokaryotes have coupled transcription and translation. This occurs because both processes occur in the cytoplasm (eukaryotes – transcription in nucleus and is unavailable for translation until being exported from the nuclear membrane....
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