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• 17. Which of the following codons may serve as the start codon \/ initiator?I. UUGII. AUGIII. GUGIV
• 18. Thr and\/or Leu residues tend to disrupt an a helix when they occur next to each other in a pro
• 19. Which of the following description about ATP reaction is NOT correct? (A) The exergonic conversi
• 20. What is the most common \"secondary messenger\" that was produced by cells to lead a
• 21. The Southern blotting method is normally used for detection of (A) proteins (B) DNA (C) RNA (D)
• 22. The mRNA must contain the following to allow for initiation of protein synthesis in E. coli. (A)
• 23. Which of the following details the progression of structural levels from DNA to chromosome in eu
• 24. Which of the following tRNA binding sites is correctly defined? (A) A site: accepts incoming ami
• 25. Which of the following is responsible for RNA splicing? (A)rRNA (B) miRNA (C)tRNA (D).siRNA (E)
• 26. What is the region immediately adjacent to the starting site for RNA polymerization called? (A)
• 27. What is the purpose of DNA helicase? (A) removal of negative supercoiling to allow for replicati
• 28. What metabolite is used in unusually high amounts by cancerous tumors and is thus often used as
• 29. O-linked oligosaccharides are commonly attached to the oxygen of_____. (A) ribose (B) tyrosine (
• 30. As temperatures grow colder with the onset of winter, animals will adapt by changing the fatty a
• 31. If the Asp in the chymotrypsin active site was mutated to another amino acid, which of the follo
• 32. Which of the lipoproteins is responsible for removing cholesterol from cells? (A) chylomicron (B
• 33. How does insulin cause an increase in the rate of glucose transport into cells? (A) binds to the
• 34. Which of the following best explains the chain of events that occurs when glucagon binds to its
• 35. In which order are the following energy sources (either directly or through gluconeogenesis) dep
• 36. EcoRI recognizes the sequence 5'-↓AATTC-3' (the arrow indicates the point of cleavage)
• 37. What reagents are required to perform PCR? (A) DNA fragment, primers flanking the region of inte
• 38. If the following mixture of proteins was applied to a size-exclusion chromatograpby column, what
• 39. A sudden increase in the concentration of_________causes the release of acetylcholine fromthe ax
• 40. Different enzymes that catalyze the same reaction are known as __________.(A) transferases (B) i
• 25.冰箱、冷凍庫的效率可看其性能係數，其定義為：性能係數=。若一電冰箱性能係數為2.5，則輸入1.0度電約可轉移多少熱能？（1度電＝1kW·h，輸入的功可視為輸入的電能）(A)(B)(C)(D)(E