43. Which of the following is an irreversible post-translational modification?
(A) Palmitoylation
(B) Proteolysis
(C) Sumoylation
(D) Glycolysis
(E) Glycosylation

44. Which of the following compound is suitable for Nick translation to label the substrates? (A) alpha-[32P]-СТР (B) gamma-[32P]-UTP (C) S-Adenosyl-methionine (D) S-Adenosyl-L-homocysteine (E) L-[35S]-Methionine

45. To study the function of a phospho-protein, which of the amino acid substitution is commonly used in the laboratory? (A) Alanine substituted by Glycine (B) Lysine substituted by Arginine (C) Leucine substituted by Isoleucine (D) Glutamic acid substituted by Aspartic acid (E) Threonine substituted by Glutamic acid

46. Which of the following description for Polymerase Chain Reaction is not true? (A) The length of the primers controls amplification specificity. (B) The Tm of the primers controls amplification specificity. (C) High Mg2+ concentration in the reaction increases the amplification specificity. (D) The Klenow fragment of DNA polymerase I retains the 5'→3' polymerase activity and the 3'→5' exonuclease activity. (E) The Klenow fragment of DNA polymerase I loses its 5'→3' exonuclease activity.

47. the following description about proteoglycans is not correct (A) the glycosylation site in the protein core sequence is X-Ser/Thr-X-X (B) highly negative charges glycoprotein (C) protein core modified by glycosaminoglycans (D) syndecan, a membrane receptor type proteoglycan (E) the glycosylation site in the protein core sequence is Gly-X-Ser/Thr-X-X-X

48. which enzyme is not involved in the medial Golgi oligosaccharides processing (A) N-acetyl glucosaminyltransferase I (B) N-acetyl glucosaminyltransferase II (C) Golgi apparatus alpha mannosidase II (D) oligosaccharide:protein transferase (E) Fucosyltransferase

49. which integrin can connect to inter-media filaments which connect to nucleus membrane and control gene expression and cell differentiations (A) α2β1 (B) α3β1 (C) α6β1 (D) α6β4 (E) ανβ3

50. the following glycosaminoglycans which one is without protein core (A) heparan sulfate (B) dermatan sulfate (C) keratin sulfate (D) hyaluronic acid (E) chondroitin sulfate

1. Prokaryotic DNA polymerase III: (A) contains a 5' to 3' proofreading activity to improve the fidelity of replication. (B) does not require a primer molecule to initiate replication. (C) has a β-subunit that acts as a circular clamp to improve the processivity of DNA synthesis. (D) synthesizes DNA in the 3' to 5' direction. (E) synthesizes only the leading strand； DNA polymerase I synthesizes the lagging strand.

2. Which of these enzymes is not directly involved in methyl-directed mismatch repair in E. coli? (A) DNA glycosylase (B) DNA helicase II (C) DNA ligase (D) DNA polymerase III (E) Exonuclease I

3. Which of the following enzymes contains reverse transcriptase activity   except   (A) HIV polymerase (B) Helicase (C) Telomerase (D) HBV polymerase (E) All contain reverse transcriptase activity

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