資訊推薦

• 45. The nontemplate strand of a portion of a gene reads: 5' -TTCACTGGTTCA. What is the sequence
• 46. During protein synthesis, which of the following proteins interacts via its N-terminal sequence
• 47. The main function of the atrioventricular (A-V) node is to(A) initiate the heartbeat.(B) set the
• 48. Which of the following statements about fungi is true? I. They are eukaryotic. Ⅱ. They all have
• 49. Which of the following is present in double-stranded cDNA but absent in the corresponding genomi
• 50.Which of the followings are the RNA-protein complex: I. Ribosome Il. Nucleosome III. Lysosome IV.
• 51. Which of the following is incorrect for the function of glia in the CNS of adult vertebrates?(A)
• 52. Which plant hormone is incorrectly paired with its function?IV. Spliceosome V. Telomerase(A) Aux
• 53. Which of the following vitamins is correctly associated with its use?(A) Vitamin C - curing rick
• 54. The MHC (Major Histocompatibility Complex) is important in a T cell's ability to___________
• 55. Which combination of hormones helps a mother to produce milk and nurse her baby?(A) Prolactin an
• 56. Dog breeders maintain the purity of breeds by keeping dogs of different breeds apart when they a
• 57. Photosynthesis ceases when leaves wilt, mainly because___________.(A) the chlorophyll of wilting
• 58. Which of the following pathways is most likely taken by newly synthesized histones?(A) Rough end
• 59. In the communication link between a motor neuron and a skeletal muscle, which of the followingde
• 60. In nerves, vesicles can move the length of an axon at a rate that far exceeds that which would b
• 61. Which kinds of the following nucleic acid can form viral genome?(1) double-stranded DNA(2) singl
• 62. Retroviral vectors are more popular for somatic gene therapy than other viral vectors because:(A
• 63. cAMP regulates the transcription of many genes. What is the major mechanism for this action?(A)
• 64. Which of the following statements regarding circulating immunoglobulins is correct?(1) They are
• 65. During long-term fasting, the liver produces acety!-CoA by the B-oxidation of fatty acids. What
• 66. On a high-carbohydrate, low-fat diet, carbohydrates are converted into fat through a series ofre
• 4.（ ）關於電晶體的敘述，下列何者錯誤？　(A)分為NPN和PNP兩種　(B)不同型號的電晶體，其耐電壓可能不同　(C)電晶體在工作時溫度會上升　(D)所有電晶體的腳位順序均為B-C-E
• 5.（ ）在節奏派對燈作品中，麥克風的用途為何？　(A)接收聲能，發出聲能　(B)接收電能，發出聲能　(C)接收聲能，發出電能　(D)接收電能，發出電能
• 65.三相∆ 型連接平衡負載，連接於三相平衡電源，電源線電壓有效值為 220V，且已知每相負載阻抗為o 10∠60°Ω，則此負載消耗的總有效功率為多少？
  (A) 4191W(B) 7260 W(C)