資訊推薦

• 12. How are defective proteins degraded? (A) They are degraded by proteasomes, which are not highly
• 8. In the normal oxidation of an odd chain fatty acid, all of the following would be part of the pr
• 13. How are amino acids classified based on their R group? (A) According to their size (B) According
• 9. Which of the following is not true regarding ketone bodies? (A) Ketone bodies form during the ca
• 14. Which of the following is the first antibody to appear in response to initial exposure to an ant
• 10. Regarding the mechanism for the control of the adenylate cyclase, which statement is incorrect?
• 15. Which of the following chromatographic procedures is NOT used to separate proteins? (A) Ion-exch
• 16. Which of the following is true about protein targeting in eukaryotic cells? (A) Signal sequences
• 11. Which statement is correct? (A) The biosynthesis of dNTPs uses NTPs as the source. (B) The overa
• 17. How does electrophoresis separate proteins? (A) By differences in their primary structure (B) By
• 12. Glutamate is metabolically converted to o-ketoglutarate and NH4' by a process described as:
• 18. Which of the following is the major contributor to stabilizing the globular form of most soluble
• 13. In phosphoryl group transfer reactions, the_____ of the nucleotide to appropriate metabolic acti
• 14. Which of the following statements about mitochondrial transport systems is correct? (A) Malate-a
• 19. Which amino acid has two chiral centers? (A) Glycine (B) Tyrosine (C) Valine (D) Isoleucine
• 15. The enzyme glycogen phosphorylase: (A) catalyzes a cleavage of β(1→4) bonds. (C) is a substrate
• 20. What is the quaternary structure in proteins? (A) The arrangement of a protein's side chain
• 16. All are characteristics associated with \"brown fat\" except: (A) high levels of mit
• 21. What is the primary carrier of energy within cells? (A) NADH (B) NADPH (C) FADH2 (D) ATP
• 17. From the abbreviated name of the compound Gal(β1→4)GIc, we know that: (A) C-4 of glucose is join
• 22. What is the role of Hsp70 chaperones and chaperonins in protein folding? (A) They catalyze the d
• 23. What is the primary electron donor in reductive biosynthesis? (A) NADH (B) NADPH (C) FADH2 (D) A
• 24. Which of the following statements is true regarding hemoglobin? (A) Oxygen binding to hemoglobin
• 25. Which is NOT a key tool for forming recombinant DNA molecules? (A) Restriction enzyme (B) DNA li
• 26. Which immunoglobulin class is the most abundant in humans? (A) IgA (B) IgG (C) IgD (D) IgE