8. Which of the following factors is critical for the maintenance of lysogenic state of lambda phage?
(A)Cro protein
(B)Lambda repressor
(C)N protein
(D)Q protein
(E)Sigma factor

9. The expression of kappa light chain of antibodies is controlled by which of the following gene regulations? (A)Gene deletion (B)Gene translocation (C)Gene amplification (D)Gene conjugation (E)Gene insertion

10. Which of the following templates is NOT a substrate for polymerase chain reaction (PCR)? (A)Double strand DNA (B)Single strand DNA (C)Circular form of DNA (D)mRNA (E)Plasmid DNA.

11. At replication forks in E. coli: (A)DNA helicases make endonucleolytic cuts in DNA. (B)DNA primers are degraded by exonucleases. (C)DNA topoisomerases make endonucleolytic cuts in DNA. (D)RNA primers are removed by primase. (E)RNA primers are synthesized by primase.

12. The function of the eukaryotic DNA replication factor PCNA (proliferating cell nuclear antigen) is similar to that of the B-subunit of bacterial DNA polymerase III in that it: (A)facilitates replication of telomeres. (B)increase the processivity of replication. (C)has a 3' → 5' proofreading activity. (D)increases the speed but not the processivity of the replication complex. (E)participates in DNA repair.

13. Which of the following statements regarding plasmid cloning vectors is correct? (A)Circular plasmids do not require an origin of replication to be propagated in E. coli. (B)Foreign DNA fragments up to 45,000 base pairs can be cloned in a typical plasmid. (C)Plasmids do not need to contain genes that confer resistance to antibiotics. (D)Plasmid vectors must carry promoters for inserted gene fragments. (E)The copy number of plasmids may vary from a few to several hundred.

14. In homologous recombination in E. coli, the protein that assembles into long, helical filaments that coat a region of DNA is: (A)RecA protein. (B)RecBCD enzyme. (C)DNA methylase. (D)DNA polymerase. (E)Histone.

15. Apolipoprotein AI (Apo-AI) deficiency is associated with (A)low plasma total cholesterol (B)high plasma total cholesterol (C)high plasma triacylglycerol (D)low plasma LDL-cholesterol (E)low plasma HDL-cholesterol

16. Which of the following is not required for synthesis of arachidonic acid (C20:4, n-6) from linoleic acid (C18:2, n-6)? (A)Δ4-desaturase (B)Δ5-desaturase (C)Δ6-desaturase (D)Elongase (E)Malonyl-CoA

17. Which enzyme is the key enzyme for bile acid biosynthesis? (A)Acetyl-CoA carboxylase (B)7α-hydroxylase (C)HMG-CoA reductase (D)HMG-CoA lyase (E)Acyl-CoA synthetase

18. Which of the following is responsible for the generation of LDL from VLDL? (A)HMG-CoA reductase (B)HMG-CoA lyase (C)Hormone sensitive lipase (D)Lipoprotein lipase (E)Pancreatic lipase

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