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• 19. Based on the gene and protein sequences that follow, what type of mutation-polypeptide effect ha
• 28. If the mitochondria and chloroplasts in eukaryotic cells resulted from endosymbiosis, what featu
• 36. Which of the following is a plant growth response, not a behavioral response?(A)leaflet folding
• 45. The exceptionally large diversity of antigen receptors found on B cells and T cells is mostly th
• 11. Which of the following is WRONG concerning cancer cells?(A)They do not exhibit density-dependent
• 20. A mutation causes a gene to become overactive, contributing to uncontrolled cell growth. Which t
• 29. The plastids of the following are thought to be derived from ancestral red algae EXCEPT(A)green
• 37. Why is the amniotic egg considered an important evolutionary breakthrough?(A)It prolongs embryon
• 46. What is “matched” between donor tissue and recipient in order to increase likelihood of successf
• 12. Which of the following is true concerning human sexual life cycle?(A)Gametes are produced by mit
• 21. Why is there a need to produce Okazaki fragments on the lagging strand, but not on the leading s
• 30. The presence of which class of biological molecules would allow you to distinguish between an ad
• 38. Which of the following organ systems is INCORRECTLY matched with its function?(A)digestive—food
• 47. Which combination of axon features should lead an axon to communicate with downstream cells most
• 13. The major way that meiosis II differs from mitosis is that(A)in meiosis II, pairs of homologous
• 22. Humans have fewer than 21,000 genes, but human cells can make 75,000-100,000 different proteins.
• 31. Azidothymidine (AZT) is a nucleoside analog used to treat HIV infections. Which step does AZT ha
• 39. How would a decrease in the number of corticosteroid receptors in the hypothalamus affect levels
• 48. In vertebrate eyes, the conversion of light energy to chemical energy occurs most directly as th
• 14. John and Mary are planning to start a family. John was married once before, and he and his first
• 23. Noncoding RNAs regulate gene expression by the following mechanisms EXCEPT(A)protein degradation
• 三、【題組】⑴液相反應以兩種方式進行： 1.將 A 緩慢地加入裝有 B 的反應器中。2.將 A 與 B 同時加入反應器中。以圖示法分別繪出這兩種方式中反應器內各成分之濃度隨時間變化的關係，假設反應器中
• 40. A “complete digestive tract” differs from a gastrovascular cavity in that only the complete trac
• 49. Many distasteful insects are brightly colored. What type of behavior might help explain this?(A)
• 15. A rooster with gray features and a hen of the same phenotype produce 16 gray, 8 black, and 7 whi