資訊推薦

• 7. 有一電阻、電容並聯的電路，接上交流電源，在電壓峰值不變，以及電路正常運作的條件下， 如果把電源頻率從低變高，那麼以下哪一個敘述是正確的？ (A)電路的功率因數會降低 (B)電 容的電抗會升高 (
• 8. 一顆 10 W 的 LED 燈泡點亮 24 小時，會讓電錶讀數增加幾度？ (A) 0.1 度 (B) 240 度 (C) 0.24 度 (D) 10 度。
• 9. 有一個行動電源標記著 6000 mAh，如果電量從 0% 充電到 100%，歷時 4 小時，請問平均的充電電流是多少？ (A) 1.5 A (B) 6 A (C) 0.6 A (D) 0.15
• 10. 交流電路裡一個 10 μF 的電容器，如果電容器的兩端的電壓是 100 sin(377t) V，請問電容的平均功率是多少？ (A) 76 W (B) 38 W (C) 0 W (D) 19 W
• 4. Which statement below is inaccurate? (A) II is thermodynamics property and I is kinetics relevant
• 5. Which of the following is incorrect to describe myoglobin (Mb) and hemoglobin (Hb)? (A) The R-f
• 6. Many adults show symptoms like diarrhea, abdominal bloating and general discomfort which can be r
• 7. The enzyme complex responsible for the photooxidation of water in photosystem II contains ( )
• 8. The enzyme that catalyzes the interconversion of aldoses and ketoses is a ( ) (A) isomerase
• 9. The coenzymes of the pyruvate dehydrogenase complex do **not** include ( ) (A) thiamine pyro
• 10. F1F0ATP synthase works as a molecular motor. Which subunit of this complex functions as the cent
• 11. Which of the following is the major advantage of a multi-enzyme complex? (A) it's large si
• 12. What are the final products of aerobic catabolism? (A) pyruvate and H2O (B) acetyl-CoA and CO
• 13. Dehydrogenases are enzymes that: (A) move hydrogens within the molecule (B) add hydrogens acr
• 14. When dietary carbohydrate consumption exceeds the energy needs of the individual, excess carbohy
• 15. Which of the following is a result of a high fat, high protein, low carbohydrate diet? (A) The
• 16. Which vitamin is essential to vision? (A) vitamin A (B) vitamin C (C) vitamin D2 (D) vitami
• 17. Grapefruit juice at pH 3.2 contains about __________times as much H⁺ as orange juice at pH 4.2.
• 18. What ionic forms are present at pH 7.0? The pKas of phosphoric acid are 2.1, 7.2, 12.4. (A) HP
• 19. Calorimetry measures__________by a biochemical process. (A) Heat absorbed or given off, AH (B
• 20. A widely used \"consensus value\" for △G°' of ATP hydrolysis in biological syst
• 21. The amino and carboxyl groups of amino acids react in a head-to-tail fashion, eliminating water,
• 22. All of the statements about the classification of these amino acids are correct EXCEPT: (A) As
• 23. Which of the following amino acids absorbs light most strongly between 250 and 300 nm? (A) His
• 24. The formation of a disulfide bond would be an example of what level of protein structure? (A)