資訊推薦

• 4. Lovastatin is the drug for the treatment of familial hypercholesterolemia because it inhibits whi
• 5. Which of the following second messenger is associate with plasma membrane? (A) CAMP； (B) cGMP； (C
• 6. Which of the foLlowing proteins involved in signal transduction is not an integral membrane prote
• 7. Which of the following ligand will activate a receptor tyrosine kinase? (A) epinephrine； (B) epid
• 8. Which of the following description about insulin receptor is incorrect ? (A) insulin receptor is
• 9. Among 20 amino acids, how many of them contains -OH group in the side chain? (A) one； (B) two； (C
• 10. Which of the following methods separate proteins by their molecular weight? (A) gel filtration；
• 11. Which of the following is not a secondary structure of a protein? (A) alpha-helix； (B) beta-plea
• 12. Which of the following represents the biding affinity between an enzyme and its substrate? (A) V
• 13. As a noncompetitor, which of the following description is correct? (A) Km is not changed； (B) It
• 14. Eukaryotic ribosomes contain 288 rRNA. What does 288 stand for ? (A) number of sugars； (B) sedim
• 15. Dehydrogenases are enzymes that: (A) Move hydrogens within the molecules； (B) Add hydrogens with
• 16. Where are ketone bodies formed in the body ? (A) Cytosol of muscle cells； (B) Cytosol of brains
• 17. What is the final product of glucose metabolism in red blood cells? (A) acetyl-CoA； (B) CO2； (C)
• 18. Which of the following chemicals does not directly participate in the synthesis of ATP in cells
• 19. Enzymes involved in electron transport chain localize at ? (A) mitochondrial matrix； (B) cytosol
• 20. In aerobic electron transportation, the flow of electron terminates at ? (A) H2O； (B) O2； (C) co
• 21. How many CO2 will be released from one cycle of acetyl-CoA entering citric acid cycle (or TCA cy
• 22. In mitochondria, which of the followings is not caused by uncoupling protein ? (A) Mitochondrial
• 23. Which of following reaction occurs in thodopsin stimulated by light ? (A) β-carotene turns into
• 24. Which of the followings has similar chemical structure to hypoxanthine and is used to treat gout
• 25. Which of the following lipoproteins increased might contribute to the enhanced blood cholesterol
• 26. Which of the following enzymes is important for the synthesis of dTMP ? (A) dihydrouracil dehydr
• 27. Which of the following amino acids is the precursor of epinephrine synthesis? (A) glycine； (B) h
• 28. NADPH generated from the following pathways is needed in the biosynthesis of fatty acid ? (A) gl