所屬科目:研究所、轉學考(插大)◆生物化學
32. Which description is NOT correct? (A) The complete oxidation of palmitate (COOH) yields 106 molecules of ATP. (B) Animals can convert fatty acids into glucose directly. (C) Fatty acids are synthesized in the cytoplasm. (D) Intermediates in fatty acid synthesis are covalently linked to the sulfhydryl groups of an acyl carrier protein (ACP).
39. Which description of ubiquitin is NOT correct? (A) Ubiquitin is highly conserved in eukaryotes and prokaryotes. (B) Ubiquitin attached to the ε-amino groups of several lysine residues on a protein destined to be degraded. (C) The energy for the isopeptide bonds of ubiquitination comes from ATP hydrolysis. (D) Three enzymes (E1, E2 and E3) participate in the attachment of ubiquitin to a protein.
44. Which of the following aqueous solutions has the lowest pH? The solutions have H+ concentration respectively of (A) mol/L (B) mol/L (C) mol/L (D) mol/L
59. What type of inhibitor X is this Lineweaver–Burk plot shown? (A) Competitive inhibition (B) Uncompetitive inhibition (C) Noncompetitive inhibition (D) Irreversible inhibitors
60. What type of inhibitor Y is this Lineweaver–Burk plot shown? (A) Competitive inhibition (B) Uncompetitive inhibition (C) Noncompetitive inhibition (D) Irreversible inhibitors