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• 3. What amino acid performs the nucleophilic attack during the chymotrypsin mechanism? (A) Ser, (B)
• 4. The ability for an enzymme to change its shape upon substrate binding represents the concept of__
• 5. How does CO2 affect hemoglobin-oxygen binding? (A) CO2 binds directly to the oxygen binding site,
• 6. Which complex reduces molecular oxygen? (A) Complex I, (B) Complex II, (C) Complex III, (D) UQH\
• 7. Electrostatic interactions among amino acid residues on proteins may be damped out by high concen
• 8. Nearly all of the calcium ions in muscle are sequestered inside vesicles called: (A) Mitochondria
• 9. The most significant factor in contributing protein folding between tightly packed amino acid sid
• 10. If an enzyme has a Vmax of 15 mM\/min, what is the velocity if the substrate is present at 1\/
• 221 低機油壓力警示燈 (A)O(B)X
• 11. Which transport process is best characterized by the Hanes Woolf plot as shown at right? ([S] is
• 087 靠右行駛(A)O(B)X
• 132 餐旅服務(A)O(B)X
• 28. 古根漢美術館（The Solomon R. Guggenheim Museum）是美國紐約市最著名的現代美術館之一， 2019 年被評為世界文化遺產（如右圖）。是哪一位建築師的作品？ (A)
• 8. 定溫下，用蒸餾水稀釋醋酸溶液，隨著酸濃度降低，下列各項數值中，哪些始終保持增大趨勢？ (A)(B) (C) pH (D) [CH3COOH]
• 176 圖中白色倒三角型標線為：指向線 (A)O(B)X
• 16. 如圖【4】所示，試求Vab為多少V？(A) 10V (B) 12V (C) 14V (D) 16V
• 12. Which of the following residue prefers to be at the membrane-water interface? (A) Gly, (B) Trp,
• 13. Which of the following transport process requires energy input? (A) Facilitated diffusion, (B) P
• 14. Which of the following does not reduce Cu(II) to Cu(I), but does react with Cu(II) to produce re
• 15. Which of the following statement about biological membranes is TRUE? (A) Plasma membranes are as
• 16. During the amino acid synthesis, Methionine is derived from which metabolic progenitor? (A) a-ke
• 17. Urea contains one carbon, two nitrogens, one oxygen and 4 hydrogens. Where are the sources of th
• 18. What format of tetrahydrofolate (THF) is used for methionine biosynthesis? (A) N5-methyl-THF, (B
• 19. What is the active form of methionine and acts as an intracellular methyl group donor? (A) S-ade
• 20. Which amino acid is the \"pure\" ketogenic amino acid? (A) tyrosine, (B) leucine, (C