資訊推薦

• 12. Which of the following is NOT a common feature shared by most transduction systems for hormones
• 13. The plasma membrane of E. coli consists of approximately 75% lipids and 25% proteins by weight.
• 14. Which of the following statements is true regarding monoclonal antibodies when compared to polyc
• 15. Which molecule is involved in HDL-mediated reverse cholesterol transport (RCT) to the liver? (A)
• 16. Identify the correct monomers for starch and glycogen from the following options: (A) α-D-glucos
• 17. What can lead to the development of the human genetic disease phenylketonuria (PKU)? (A) A defic
• 18. Which transport process requires the input of energy? (A) Facilitated diffusion (B) Passive diff
• 19. Which structural feature is most prevalent in myosin molecules? (A) The α helix (B) The β struct
• 20. Which of the following statements about aromatic amino acids is correct? (A) All are strongly hy
• 21. FADH2 is a product of which of the following reactions? (A) Malate → Oxaloacetate (B) Pyruvate →
• 22. All are important reasons to phosphorylate glucose in the first step of glycolysis EXCEPT: (A) t
• 23. All are true for the isomerase reaction of glucose-6-phosphate to fructose-6-phosphate EXCEPT: (
• 24. Triose phosphate isomerase is very similar in function to: (A) hexokinase (B) phosphoglucoisomer
• 25. For the pyruvate kinase catalyzed reaction, the correct sequence of events is:A. phosphoryl grou
• 26. The tangling of DNA strands during replication is prevented by (A) Topoisomerases (B) Helicases
• 27. DNA transposition can cause gene _____ (A) Duplication (B) Deletion (C) Transcription (D) Both A
• 28. In animals the vast majority of water-soluble hormones are (A) Peptides (B) Steroids (C) Polypep
• 29. The biological effects of atrial natriuretic factor appear to be mediated by (A) cAMP (B) cGMP (
• 30. Fatty acids are mobilized from adipose cells in response to all of the hormones EXCEPT: (A) ACTH
• 31. Chylomicrons: (A) are formed in adipose tissue (B) are primary energy sources for the brain (C)
• 32. Where in the cell are fatty acids condensed with coenzyme A to form acyl-CoA? (A) mitochondrial
• 33. There is no transporter for acetyl-CoA to exit the mitochondria, so the carbons must be converte
• 34. The committed step in fatty acid biosynthesis, formation of malonyl-CoA, is catalyzed by: (A) fa
• 35. Hexokinase and glucokinase belong to the kinase subclass of what class of enzymes? (A) oxidoredu
• 36. All of the following characterize phosphofructokinase-1 (PFK-1) EXCEPT (A) the most important re