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• 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)
• 25. After treating a protein with trypsin, which of the following techniques could be used to determ
• 26. Alpha helices are stabilized primarily by: (A) Hydrogen bonds between the main chain peptide b
• 27. Tertiary structure is defined as: (A) the sequence of amino acids. (B) The folding of a sing
• 28. The endoplasmic reticulum bound enzyme that hydrolyzes glucose-6-phosphate to glucose in liver i
• 29. Insulin in the bloodstream is a response to increased blood glucose, and: (A) stimulates gluco
• 30. Which of the following can be used as a substrate for gluconeogenesis in the liver? (A) Alanine
• 31. For the complete oxidation of a saturated fatty acid with 16 carbons, how many times must the be
• 32. What are the β-oxidation products of oleic acid (18:1Δ9) and how many ATP equivalents are requir
• 33. The brain normally uses __________as its source of metabolic energy, but during starvation______
• 34. Dietary lipids are \"packaged\" in the intestine into __________for transport in the
• 35. E. coli does NOT have any__________fatty acids, plants can introduce double bonds into fatty aci
• 36. In the transamination of amino acids all of the following statements are true EXCEPT? : (A) py
• 37. The Lesch-Nyhan syndrome is due to a severe deficiency of ?: (A) PRPP (B) ribonucleotide redu
• 38. Steps in the synthesis of dTMP include all of the following EXCEPT? (A) dUDP is formed from UD
• 39. Which of the following metabolic pathways is correctly matched with the key enzyme that regulate
• 40. All are true for the energy charge (EC) of a cell EXCEPT? (A) It is an index of adenylate phos
• 13. 根據下圖 AB 兩端(即兩端)所計算之戴維寧等效電路，以下選項何者正確？ (A)等效電壓=12V (B)等效電壓=14V (C)等效電阻=80Ω (D)等效電阻=50Ω
• 14. 有一差動放大器，其差模增益為 100、共模增益為 0.1，則其共模拒斥比 CMRR？ (A) 20dB (B) 40dB (C) 60dB (D) 80dB