資訊推薦

• 30. 理想的電感器，當加上電壓的瞬間，其流過的電流為 (A)零 (B)無限大 (C)不定值 (D)由大變小
• 31. 一電感在頻率60Hz下之感抗為15Ω，若與R = 40Ω串聯，並連接110V, 120Hz之交流電壓 源，則此電路之功率因素為何？ (A) 0.6 (B) 0.75 (C) 0.8 (D) 0
• 32. 若電壓源為110V連接RLC串聯電路：R = 5Ω，L = 0.01 H，C = 100??，求串聯諧振頻率約為何？ (A) 159Hz (B) 140Hz (C) 120Hz (D) 110
• 33. 變壓器的鐵芯常採用矽鋼片疊製之主要原因為何？ (A)減少銅損 (B)有助於散熱 (C)降低機械損 (D)減少渦流損
• 34. 二線圈之自感值分別為2H、4H，而互感值為1H，則二線圈之耦合係數為何？ (A) (B) 1\/2 (C) (D) 1
• 35. 右列是甲國某學者針對該國現況所提出的看法。根據文中內容判斷，甲國就業市場受到影響的原因應是下列何者？(A)勞工願意接受更低的工資 (B)勞工願意盡速投入勞動市場 (C)勞工選擇就業的機會成本提
• 19.在一大氣壓、25℃時，下列關於0.10MNH3水溶液達到平衡時的 敘述，何者正確？(25℃時，之， H2O之，log1.3=0.11) (A)溶液中氫離子濃度為M (B)溶液的pOH＞3 (C)
• 11. The unfolding of a protein is called what ? (A) Denaturation (B) Dialysis (C) Oxidation (D) Rena
• 12. Prions are infectious proteins that: (A) are encoded by viruses. (B) cleave DNA at specific site
• 13. A hydropathy plot is used to: (A) Determine the water-solubility of a protein. (B) Deduce the wa
• 14. Glutathione is a: (A) Dipeptide (B) Tripeptide (C) Pentapeptide (D) Polypeptide (E) Hexapeptide
• 15. All of the following are conjugated proteins except: (A) Nucleoproteins (B) Proteoses (C) Metall
• 16. Glucose-6-phosphatase (glucose 6-P) deficiency causes type I glycogen storage discase. The enzym
• 17. Which of the below participates in biosynthesis of phosphoglycerides, sphingomyelin, and other s
• 18. Which of the following descriptions with regard to arachidonate is right? (A) It is the substrat
• 19. In mammals, RNA polymerase I catalyzes the transcription of: (A) mRNA (B) miRNAs (C) rRNA (D) tR
• 20. Oncologists employ 5-fluorouracil (5-FU) in chemotherapy. Which one of the following 5-FU deriva
• 21. Which kinds of RNA processing described below is through methylation and cleavage? (A)rRNA (B)tR
• 22. Which description of the difference between prokaryotic and eukaryotic RNA polymerase is WRONG?
• 23. Which mechanism described below is NOT tRNA processing? (A) RNase P cut (B) RNase D cut (C) Spli
• 24. Which subunit described below is NOT a core enzyme component of bacterial RNA polymerase? (A)A (
• 25. Which description of the difference between DNA and RNA synthesis is WRONG? (A) Both DNA and RNA
• 26. Which of the following enzyme is the rate limiting step for cholesterol synthesis? (A) HMG-CoA s
• 27. Which of the following apolipoprotein is acquired from HDL by nascent VLDL to serve as the enzym
• 28. Which of the following play key role in regulating cholesterol metabolism by both uptake of chol