資訊推薦

• 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
• 29. Which of the following does NOT result in increased hormone sensitive lipase activity? (A) Adeny
• 30. Which of the following descriptions about triacyiglycerols metabolism in adipose tissue is INCOR
• 31. Which of the following mechanisms is NOT a common way to regulate enzyme activity? (A) feedback
• 32. In Michaelis-Menten enzyme kinetics, the Km (Michaelis constant) represents: (A) The product con
• 33. Which of the following statements describing competitive inhibition of enzymes is NOT correct? (
• 34. Which of the following is generally NOT regarded as a coenzyme in enzyme-catalyzed reactions? (A
• 35. What chemical force does atomic force microscopy operate upon? (A) Hydrogen bond (B) Ionic force
• 36. Which amino acid is often found at the water-lipid interface of a lipid bilayer? (A) Tyrosine (B
• 37. What is the highest amount of moles of acetyl-CoA that can be produced from a mole leucine after
• 38. Which enzyme is it that causes homocitrullinuria when defect? (A) carbamoyl phosphate synthetase
• 39. What is the primary precursor molecule for the synthesis of steroid hormones in humans? (A) Gluc
• 40. Which of the following statements accurately describes the mechanism of peptide hormone-receptor
• 41. In the context of hormone signaling, what primary role does the second messenger cAMP (cyclic AM