A blastula d neurula b gastrula e morula c zygote 91

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(A) Blastula (D) Neurula (B) Gastrula (E) Morula (C) Zygote 91. The endoderm of a developing human gastrula would give rise to all of the following EXCEPT (A) the pancreas (B) the liver (C) the lining of the digestive system (D) the lungs (E) the gonads 92. Which of the following types of behavior describes the way that dogs learn to salivate to the ringing of a bell? (A) Habituation (D) Trial and error (B) Instinct (E) Conditioning (C) Reasoning 93. Organisms that have the exact same source of nutrition within a food web can be best described as (A) providing links in the food chain (B) occcupying the same trophic level (C) being omnivores (D) being herbivores (E) being tertiary consumers in the food chain AP Biology Sample Exam Page 8
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94. Reproduction is an essential feature of animal life. Compare and contrast asexual and sexual reproduction. Include advantages and disadvantages of both. 95. The polymerase chain reaction (PCR) and gel electrophoresis are both used in modern genetics. a.) Describe what they are. b.) Describe how they are used. c.) List situations in which they are beneficial to the development of further knowledge about human genomics. 96. The purpose of mitosis is cell replication. Describe the process, as well as all phases of the cell cycle. Include a brief description of each stage of mitosis. 97. Changes in allele frequencies and genotype frequencies within populations are caused by the actions of several different evolutionary agents. Discuss the possible roles of each of the following factors in the change in genetic structure of populations. a.) mutation b.) genetic drift c.) migration 98. Genetic crosses allow for conclusions to be drawn regarding the genotype of specific organisms. a.) How would you test the genotype of a parent expressing the dominant phenotype? b.) What would the results be if the parent were a homozygote dominant? c.) What would the results be if the parent were a heterozygote dominant? 99. In each of the below scenarios, give your expected diagnosis and explain what is occurring to each patient. Include what you would look for in lab tests. a.) Patient A complains of constant thirst and frequent urination. b.) Patient B has a fractured bone and is an elderly female. This is the third time she has fractured a bone in the last year. c.) Patient C, a 45 year old male, comes in to your office after having grown numerous inches in one year. 100. The diagram below depicts an alveolus and the partial pressure of different gases in the bloodstream and alveolus. Explain the gas exchange that occurs in alveoli. AP Biology Sample Exam Page 9
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Name _____________________ AP Biology Sample Exam Any School USA Period 8 September 2005 Answer Key 1. D 2. A 3. D 4. C 5. C 6. D 7. D 8. E 9. C 10. C 11. B 12. C 13. A 14. D 15. B 16. B 17. D 18. D 19. A 20. A 21. C 22. E 23. C 24. E 25. A 26. A 27. B 28. D 29. C 30. B 31. B 32. A 33. D 34. A 35. A 36. A 37. E 38. A 39. D 40. B 41. D 42. C 43. C 44. A 45. B 46. E 47. C 48. E 49. C 50. A 51. C 52. A 53. E 54. A 55. E 56. A 57. C 58. C 59. E 60. C
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Name _____________________ AP Biology Sample Exam Any School USA Period 8 September 2005 Answer Key 61. D 62. A 63. B 64. E 65. D 66. C 67. B 68. C 69. E 70. A 71. B 72. E 73. D 74. A 75. A 76. D 77. C 78. E 79. C 80. D 81. C 82. A 83. E 84. A 85. B 86. E 87. A 88. A 89. E 90. B 91.
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