12. Cellulase is considered a_________.
(A) a-(1→4) glucosidase
(B) β-(1→4) glucosidase
(C) a-(1→6) glucosidase
(D) β-(1→4) glucosidase
(E) a-(1→1) glucosidase

12. Cellulase is considered a___________. (A) α-(1→4) glucosidase (B) β-(1→4)glucosidase (C) α-(1→6) glucosidase (D) β-(1→4) glucosidase (E)α-(1→1) glucosidase

13. Steroid hormones include all of the following EXCEPT: (A) dolichol. (B) progesterone. (C) cortisol. (D) estradiol. (E) testosterone.

14. Which of the following enzymes is responsible for the release of arachidonic acid from membrane phospholipids? (A) phospholipase A1 (B) phospholipase A2 (C) phospholipase B (D) phospholipase (E)phospholipase

15. Which of the following would be the most likely interaction between a peripheral membrane protein that contained a high lysine content and a membrane? (A) ionic interaction (B) hydrophobic interaction (C) hydrogen bonding (D) covalent bonding (E) both a and c

16. The two major phospholipids on the outer leaflet of erythrocytes are: (A) phosphatidylcholine and phosphatidylethanolamine. (B) phosphatidylcholine and sphingomyelin. (C) phosphatidylethanolamine and sphingomyelin. (D) phosphatidylserine and sphingomyelin. (E) phosphatidylcholine and phosphatidylserine.

17. Glycophorin is a membrane protein with: (A) multiple transmembrane segments. (B) most of the mass oriented outside the surface of the cell. (C) about 10% carbohydrate and 90% protein. (D) transmembrane β-barrel segments. (E) All are true

18. Which of the following is true regarding membrane function? (A) a caveola contains a very high concentration of cholesterol and unsaturated phospholipids. (B) scaffolding proteins, particularly those containing BAR domains, result in curvature of the cell membrane. (C) lateral membrane diffusion within a biological membrane is a completely unrestricted process(D)membrane fusion with vesicles is often accomplished with the aid of a SNARE protein.(E)both b and d are correct.

19. All are important functional groups participating in H-bond formation EXCEPT: (A)amino group of the cytosine, adenine and guanine. (B) the ring nitrogens at position 3 of pyrimidines and 1 of purines. (C) the electronegative oxygen atoms. (D) the electron density in the double bonds of the bases. (E) the carbonyl group at position 4 of uracil and thymine, position 2 of cytosine, and position 6 of guanine.

20. All of the following are examples of nucleotide functions EXCEPT: (A) CTP in phospholipid synthesis. (B) UTP in complex carbohydrate synthesis. (C) ATP in energy for the cell. (D) GTP in protein synthesis. (E) TTP in phosphoryl group transfers.

21. In phosphoryl group transfer reactions, the________ of the nucleotide serves as an information symbol, channeling the nucleotide to appropriate metabolic activities. (A) sugar (B) diphosphate anhydride (C) sugar-phosphate ester (D) base (E) none are true

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