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• 4.若定義直角坐標平面上P點與圓C的距離等於P點與圓C上任一A點之連線段的長度中最短者。則下列針對P(9,–3)與圓C：x2+y2+6x–4y–12=0的敘述，何者為完全正確？ (A)P點在圓C外與圓
• 22.有關並列加法器的敘述，下列何者錯誤？ (A)屬於組合邏輯電路 (B)與串列加法器相比，並列加法器運算速度快，電路較複雜 (C)暫存器為並列輸入並列輸出 (D)n位元加法器，須使用n-1個全加器
• 23.一組4對16的解碼器，其輸出為，若Q9輸出為1(有效狀態)，則輸入信號為何？ (A)1000 (B)1001 (C)1100 (D)1101
• 32. All are true for low-barrier hydrogen bonds EXCEPT: (A) The hydrogen is centered between the two
• 33. The mechanism of chymotrypsin involves which of the following elements? (A) deprotonation of an
• 34. HIV-1 protease is different from most mammalian aspartic acid proteases in that it has: (A) two
• 35. All are true for cAMP-dependent protein kinase EXCEPT: (A) also known as PKA. (B) phosphorylase
• 36. The T form (tense or taut form) of deoxyhemoglobin differs from oxyhemoglobin (the R form or rel
• 37. What is the relationship between photoautotrophs and heterotrophic cells? (A) Photoautotrophs us
• 38._____________ , a pathway that synthesizes glucose from non-carbohydrate precursors, uses seven o
• 39. Fructose in the diet or fructose from sucrose in the diet can be a source of calories for fat sy
• 40. Galactosemic individuals can be treated by___________ adults due to metabolism of galactose-1-ph
• 41. Isocitrate dehydrogenase has all of the characteristics EXCEPT: (A) ADP raises the Km for isocit
• 42. All are characteristics of succinyl-CoA synthetase EXCEPT: (A)succinyl-CoA can be used to drive
• 43. Does electron transport stop if rotenone is added? Why? (A) Yes, there is not an electron source
• 44. All are properties of glycerol-3-phosphate dehydrogenases EXCEPT: (A) one is located in the cyto
• 45. Which of the following statements about the light reactions of photosynthesis is true? (A) Ther
• 46. When light energy is absorbed by chlorophyll an electron is promoted to a higher orbital and the
• 47. In the gluconeogenic pathway, the three regulated reactions of glycolysis c and are replaced by_
• 48. Which of the following is absolutely essential for the activation of pyruvate carboxylase? (A) h
• 49. What are the three most common ketone bodies? (A) acetone, butyrate and acetyl-CoA (B) acetoacet
• 50. Ketone bodies are transported to the tissues of utilization: (A) complexed to serum albumin. (B)
• 15. 在 30 天內發生 50%死亡的致死劑量，以下列何者表示？ (A) TD30\/50 (B) LD30\/50 (C) TD50\/30 (D) LD50\/30
• 25.有關共基極放大器的特點之敘述，下列何者正確？ (A)輸入電阻小，輸出電阻大，輸出電壓與輸入電壓同相 (B)輸入電阻小，輸出電阻大，輸出電壓與輸入電壓反相 (C)輸入電阻大，輸出電阻小，輸出電壓與
• 26.某三級串級放大器，每個單級放大器低頻截止頻率都是1kHz，高頻截止頻率都是100kHz。則總頻寬約為何？ (A)99kHz (B)63kHz (C)49kHz (D)35kHz