資訊推薦

• 4.甲乙兩導體為相同材料製成，甲導體的長度為乙導體的長度的1/4，但甲導體的線徑為乙導體的2倍，若已知甲導體的電阻值為10Ω，則乙導體的電阻為多少？(A) 40Ω (B)80Ω (C) 60Ω (D)
• 5.兩點的電位差VAB之值為正時，下列敘述何者錯誤？　(A) VBA ＝－VAB (B)表示A點的電位高於B點的電位(C)電流由A點流向B點 (D)若有一正電荷自B點移至A點，所作的功為負值
• 6.重疊定理分析直流迴路，每次單獨使用一個電源，其他的電源應如何處理？(A)電壓源短路，電流源斷路 (B)電壓源斷路，電流源短路(C)電壓源及電流源均短路 (D)電壓源及電流源均斷路
• 7.兩個電阻R1及R2的電阻值比為2：4，若將其串聯接於電源，已知R1上的電壓為10V，R2上的消耗功率為25W，求R2＝？(A) 5 (B) 16 (C) 32 (D) 64
• 8.如【圖1】所示，戴維寧等效電阻RTh及等效電壓VTh分別為： (A) 6Ω，4V(B) 6Ω，－4V(C) 7Ω，4V(D) 6Ω，－12V
• 56. Which of the following DNA type is left-handed forms?(A) A-DNA (B) B-DNA (C) Z-DNA (D) None of a
• 57. Which of the following enzyme is contained in mitochondria?(A) Succinate dehydrogenase (B) Fumar
• 58. Which of the following ion plays a key role in the enzymatic activity ofribulose-1,5-bisphosphat
• 59. What is the main place for the fatty acid β-oxidation in cells?(A) Cytosol (B) Mitochondria (C)
• 60. Ketone bodies are water-soluble molecules that contain the ketone groupsproduced from fatty acid
• 61. What is the net gain of ATP molecules production in the lactic fermentation withthe homofermenta
• 62. Which of the following molecules is the final electron acceptor in the electrontransport chain?(
• 63. Which of the following metabolic reactions occurs in the mitochondrial matrix?(A) Citric acid cy
• 64. Which of the following amino acid is achiral?(A) Proline (B) Leucine (C) Glycine (D) Alanine
• 65. Which of the following is NOT basic amino acid?(A) Histidine (B) Leucine (C) Arginine (D) Lysine
• 66. Which of the following is NOT glucogenic amino acid?(A) Asparagine (B) Methionine (C) Leucine (D
• 67. The intermediate compound common for aerobic and anaerobic respiration is(A) Succinic acid (B) A
• 68. Which of the following is the common intermediate compound for carbohydrate,lipid and amino acid
• 69. Which of the following compound is involved in urea cycle?(A) Aspartate (B) Ornithine (C) Fumara
• 70. With more of which base-pair content will a DNA melting temperature (Tm) behigher?(A) GC (B) AT
• 71. Which of the following coenzyme is required for acetyl CoA carboxylase activityin fatty acid syn
• 72. Which amino acid has an indole ring?(A) Proline (B) Asparagine (C) Lysine (D) Tryptophan
• 73. During the separation of protein, which method relates to the molecular size ofthe protein?(A) I
• 74. Which of the following immunoglobulin plays a significant role in the mucousmembranes?(A) IgG (B
• 75. In patients who have not been infected with SARS-CoV-2 or vaccination past,what type of immunogl