複選題

33. Which of the following molecules is an intermediate in the catabolism of adenine and guanine?
(A)Hypoxanthine
(B)Xanthine
(C)Uric acid
(D)All are right
(E)All are wrong.

34. In the urea cycle, which of the following enzymes is in the matrix of liver mitochondria to catalyze reactions? (A)Arginase (B)Argininosuccinate synthase (C)Argininosuccinate lyase (D)Carbamoyl phosphate synthase I (E)All of them.

35. A 36-year-old man is diagnosed with Arsenic poisoning, that inhibits which of the following enzymes of TCA cycle? (A)Citrate synthase (B)Malate dehydrogenase (C)Aconitase (D)a-ketoglutarate dehydrogenase (E)None of the above

36. During strenuous exercise, the most important reaction involved in the reoxidation of NADH is: (A)dihydroxyacetone phosphate → glycerol 3-phosphate (B)glucose 6-phosphate → fructose 6-phosphate (C)isocitrate → a-ketoglutarate (D)pyruvate→ lactate (E)None of the above

37. Which of the following statements about the TCA cycle is correct? (A)Oxygen is used to oxidize the acetyl group carbons of acetyl-CoA in the TCA cycle. (B)Three molecules of NADH and one molecule of FADH2 are produced in one turn of the TCA cycle. (C)Oxygen is not used in the TCA cycle, so the cycle can occur in anaerobic conditions. (D)The TCA cycle produces the water that is formed during the complete oxidation of glucose. (E)None of the above

38. In what form does the product of glycolysis enter the TCA cycle? (A)Pyruvate (B)Acetyl-CoA (C)NADH (D)Glucose (E)None of the above

39. In prokaryotic translation initiation, start codon forms base pairs with which molecule : (A)16S rRNA. (B)Shine-Dalgarno sequence. (C)IF-2-GTP. (D)fMet-tRNA Met (E)23S rRNA.

40. For targeting proteins to endomembrane system, signal sequences are recognized by: (A)Proteasome. (B)Importin. (C)Ribosome. (D)Ion channels. (E)SRP.

41. What kind of mutation at protein-coding regions of genome can cause a frame shift in translation: (A)A single nucleotide insertion. (B)A nonsense mutation. (C)A missense mutation. (D)A silent mutation. (E)Initiation failure.

42. Which molecule can promote translocation in translation elongation? (A)EF-Ts. (B)NES. (C)EF-G. (D)EF-Tu. (E)eIF-4.

43. The amino acid glycine is known as an α-helix breaker. Thus, a glycine-rich sequence should NOT form an α-helix, why? (A)Glycine cannot form the typical i→ i+4 hydrogen bond. (B)The side-chain of glycine is too large. (C)Glycine is structurally the most flexible amino acid. (D)The side-chain of glycine is negatively charged. (E)Glycine is too hydrophobic

115年 - [無官方正解]115 國立清華大學_碩士班考試入學試題_生命科學暨醫學院甲組(生物與醫學科學組)﹕生物化學#142711

115年 - [無官方正解]115 國立臺灣大學_轉學生招生考試試題：生物化學概論#142642

115年 - [無官方正解]115 台灣聯合大學系統_碩士班招生考試_化學類：生物化學#139667

115年 - [無官方正解]115 國立臺灣大學_ 碩士班招生考試試題：生物化學(C)#137643

115年 - [無官方正解]115 國立臺灣大學_ 碩士班招生考試試題：生物化學(A)#137641

115年 - [無官方正解]115 國立臺灣大學_ 碩士班招生考試試題：生物化學(一般生物化學)#137622

115年 - 115 國立臺灣大學_ 碩士班招生考試試題：生物化學(B)#137619

114年 - [無官方正解]114 國立中興大學_碩士班招生考試試題_生物醫學研究所：生物化學#139094

114年 - [無官方正解]114 國立中正大學_碩士班招生考試試題_生物醫學科學系：生物化學#138415

114年 - [無官方正解]114 國立高雄大學_研究所碩士班招生考試試題_生命科學：生物化學#137690