Exam 3 2008 Potential Questions

1. When and how was DNA discovered?
-Brady Helmink

2. What questions did the Griffith experiment answer?
-Brady Helmink

3. List some of the properties of DNA.
-Brady Helmink

4. What is meant by saying DNA has "antiparallel strands"?
-Brady Helmink

5. What bases are paired together?
-Brady Helmink

6. What type and how many bonds hold each complementary base-pair together?
-Brady Helmink

7. What are two different ways to gram-stain?
-Brandon Waszgis

8. What patches together the Okazaki fragments and what falls off chromosomes at terminal site?
-Brice Buryanek

9. What are the leading and lagging strand in DNA replication?
-Brice Burayanek

10. What de-interlocks chromosomes in DNA replication process?
-Brice Buryanek

11. At the oriC site is there more A and T or G and C? Why?
-Brice Buryanek

12.What direction must DNA be replicated? Per copy how much of the DNA is new?
-Brice Buryanek

13. What binds to the oriC site during replication?
-Eileen Sorenson

14. how do humans protect themselves against viruses?
-Eileen Sorenson

15. What is smallpox?
-Eileen Sorenson

16. What traits must a disease have for it to be potentially eradicable?
-eileen sorenson

17. what are biofilms? What are they made of?
-eileen sorenson

18. what is the AI for all gram negative bacteria?
-eileen sorenson

19. Explain the Griffith experiment.
-Eileen Sorenson

20. DNA can be replicated in which direction?
-Eileen Sorenson

21. What attaches to the replication bubble to unzip DNA at the replication bubble?
-eileen Sorenson

22. why do viruses use host cell enzymes to copy viral DNA?
-Eileen Sorenson

23. What is the differences between PA01 and JP2 bacteria?
-nhung nguyen

24. What is the oriC site?
-KP

25. How does DNA replication start?
-KP

26. Does DNA start with 5' or 3'?
-KP

27.What are the Okazaki fragments and what do they patch together?
-KP

28. Describe the steps of DNA… fun!
-KP

29. How fast does E. Coli replicate DNA? How is this useful?
-KP

30. What is a mutation and how does it affect the genome? Good or bad?
-KP

31. Why do viruses have small genomes? How do viruses use host enzymes to copy viral DNA?
-KP

32. How do vaccinations work and why don't people get the virus once they have a vaccination?
-KP

33. How can we keep microbes from spreading to wipe them out forever?
-KP

34. What are the three kinds of point mutations and how do they differ?
-a permann

35. Explain how artificial transformation works?
-a permann
36. What does comk gene allow bacteria to do?

37.what are the start and stop codons?
-Hoa Le

38.What is environmental stress?
-Hoa Le

39. How Spore-forming form?
-Hoa Le

40.What is Exotoxins?
-Hoa Le

41. Define Constitutively and phenotypic.
-Hoa Le

42. How frameshift mutations differ from point mutations?
-Hoa Le

43. Name and explain the three types of RNA
-Hoa Le

44. What happen at the elogation and termination of transcription?
-Hoa Le

45. what is a sigma factor and how it fit in transcription?
-Hoa Le

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