Question: Sequence the path of a solute from the external environment to the cytoplasm of a prokaryotic cell.

Answer: external environment —> capsule —> cell wall —> plasma membrane —> cytoplasm

Question: There are some structures that are common to all prokaryotic cells, and others that are only found in some bacterial species or strains.

Select the structures below that are found in all bacterial cells.

cellwall

nucleoid

capsule

ribosomes

pilus (pili)

fimbriae

cytoplasm

flagella

plasma membrane

Answer: F. ribosomes

G. plasma membrane

H. cytoplasm

1. nucleoid

2. Question: Indicate the bacterial structures that are likely to be antigens, to which host antibodies bind, marking the invader for phagocytosis

3. ribosomes

4. cell wall

5. plasmids

6. fimbriae

7. flagella

8. nucleoid

9. capsule

10. Answer: A. fimbriae

11. C. cell wall

12. D. capsule

13. F. flagella

14. Question: Identify antibacterial strategies that would likely be selectively toxic for bacteria.

15. interfering with lysosomal function

16. inhibition of peptidoglycan synthesis

17. interfering with translation at 70s ribosomes

18. inhibition of fimbriae synthesis

19. inhibition of microtubule function

20. Answer: A. inhibition of peptidoglycan synthesis

21. C. inhibition of fimbriae synthesis

22. E. interfering with translation at 70s ribosomes

23. Question:

24. Answer: It will be readily phagocytized upon entering the host

25. Question:

26. Answer: It will be unable to adhere to host tissue and establish infection

27. Question: Tumbles occur when

28. the flagella rotate clockwise.

29. the flagella stop rotating.

30. the flagella rotate counterclockwise.

31. the flagella undulate.

32. Answer: the flagella rotate clockwise.

33. Question: Which of the following types of bacterial cells would have only a single flagellum?

34. Lophotrichous and monotrichous

35. Monotrichous

36. Peritrichous

37. Lophotrichous

38. Amphitrichous

39. Answer: Monotrichous

40. Question: Peritrichous bacteria make a run when

41. the flagella turn counterclockwise and separate.

42. the flagella turn clockwise and separate.

43. the flagella turn clockwise and become bundled.

44. the flagella turn counterclockwise and become bundled.

45. Answer: the flagella turn counterclockwise and become bundled

46. Question: Which of the following types of bacterial cells would have flagella located at only one end of the cell?

47. Amphitrichous

48. Lophotrichous

49. Peritrichous

50. Lophotrichous and monotrichous

51. Monotrichous

52. Monotrichous and amphitrichous

53. Answer: Lophotrichous and monotrichous