62 the cell wall of gram negative organisms a has a

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62. The cell wall of Gram-negative organisms A. has a thick peptidoglycan layer. B. has a thin peptidoglycan layer. C. is more permeable to various molecules than the Gram- positive cell wall. D. is characterized by an outer membrane containing LPS. E. has a thin peptidoglycan layer AND is characterized by an outer membrane containing coupled to a long string of NAM. C. may be digested by lysozyme. D. is used to construct a spheroplast. 63. Endotoxin A. consists of LPS. B. determines bacterial shape. C. may have different effects depending on the specific bacterial source. D. is toxic due to the effects of the peptide side chains. E. determines bacterial shape, may have different effects depending on the specific bacterial source AND is toxic due to the effects of the peptide side chains. 64. Penicillin would be most effective against E. growing bacteria AND Gram- positive bacteria. 65. Peptidoglycan A. may be digested by penicillin. B. consists of a long string of NAG coupled to a long string of NAM. C. may be digested by lysozyme. D. is used to construct a spheroplast. 66. Which of the following bacteria lack a cell wall?
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UNIT 1-Module 1-Ch3: Prokaryotic Cell Structure Review Questions 10 67. The capsule The cytoskeleton 68. The structures used for motility in both eukaryotes and prokaryotes are The nucleus A. is a double membrane sac containing DNA and is found in eukaryotes. 69. Extrachromasomal DNA is found in ___________________________ _. A. Mitochondria B. Plasmids C. Nucleoid D. Nucleoli E. Mitochondria AND plasmids 70. Endospores are 71. The membranes of eukaryotes and mycoplasma 72. The cytoskeleton 73. The nucleus A. is a double membrane sac containing DNA and is found in eukaryotes. 74. Which is not true of mitochondria and chloroplasts?
UNIT 1-Module 1-Ch3: Prokaryotic Cell Structure Review Questions 11 ANSWERS: 1. A 2. B 3. E 4. D 5. B 6. C 7. B 8. D 9. C 10. A 11. A 12. B 13. E 14. B 15. B 16. D 17. A 18. B 19. D 20. A 21. A 22. E 23. A 24. A 25. A 26. A 27. D 28. A 29. A 30. B 31. E 32. D 33. B 34. C 35. D 36. A 37. E 38. E 39. B 40. A 41. B 42. C 43. E 44. C 45. D 46. B 47. E 48. E 49. B 50. E 51. A 52. B 53. E 54. E 55. E 56. C 57. E 58. C 59. C 60. B 61. E 62. E 63. A 64. E 65. C 66. D 67. E 68. B 69. E 70. A 71. B 72. A 73. A 74. A

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