19._______ is the common intermediate to synthesize aromatic amino acids and cellular compounds containing benzene rings.
(A) Chorismate,
(B) Pristanic acid,
(C) Arachidonic acid,
(D) Squalene,
(E) Ornithine.

1. In transmembrane proteins, which amino acid is preferred at the membrane-water interface? (A)W, (B) E, (C) K, (D) L, (E) A.

2. Which transport system does not require energy input to transport substrates? (A)Ca+2-ATPase, (B) bacteriorhodopsin (C) ABC transporters, (D)potassium channel, (E) sodium pump.

3. Which of the following statement about the asymmetric structures of biological membranes is FALSE? (A) Membrane proteins display transverse and lateral asymmetry, (B) The lipids of the membrane exhibit lateral heterogeneity and transverse asymmetry, (C) The lipid composition is different from organelles to organelles, (D) The asymmetric membrane structures are maintained by transporters, (E) Acidic phospholipids are enriched in the outer leaflet.

4. Which amino acids are negatively-charged at neutral pH? (A)A, C, (B) D, E, (C) L, I, (D) K, R, (E) N, Q.

5. The rate-limiting step in glycogen catabolism is catalyzed by glycogen phosphorylase, which is activated by_______? (A) ATP, (B) ADP, (C) glucose-6-phosphate, (D) phosphorylation, (E) acetylation.

複選題6. The biosynthesis of_______ intermediates? (A) Pro, (B) Tyr, (C) His, (D) Phe, (E) Lys. is connected to purine biosynthesis by common

7. HMG-CoA reductase is the key regulatory site in cholesterol synthesis. Which of the following statement about the regulatory mechanisms of HMG-CoA reductase is TRUE? (A) Phosphorylation by cAMP-dependent kinase activates HMG-CoA reductase, (B) A high AMP:ATP ratio leads to activation of HMG-CoA reductase, (C) High cholesterol level increases the half-life of HMG-CoA reductase, (D) High cholesterol level increases HMG-CoA reductase gene expression, (E) HMG-CoA reductase phosphatase can activate HMG-CoA reductase.

8. What is the net ATP yield from the complete oxidation of one myristate to CO2 and H2O? (A) 106, (B) 94, (C) 92, (D) 108, (E) 120.

9. How does fructose-2,6-bisphosphate regulate gluconeogenesis? (A) It inhibits phosphofructokinase to stimulate gluconeogenesis, (B) It inhibits fructose-1,6-bisphosphatase to reduce gluconeogenesis, (C) It activates Pyruvate kinase to reduce gluconeogenesis, (D) It activates phosphofructokinase to stimulate gluconeogenesis, (E) It activates pyruvate carboxylase to stimulate gluconeogenesis.

10. Acetate units for fatty acid synthesis are activated by formation of _______.(A)Malonyl-CoA, (B) Acetyl-CoA, (C) Butyryl-CoA, (D) Malonyl-CoA and Acetyl-CoA, (E) Acetyl-CoA and Butyryl-CoA.

114年 - [無官方正解]114 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#132802

114年 - [無官方正解]114學年度學士後獸醫學系招生試題-生物化學#131167

114年 - [無官方正解]114 台灣綜合大學系統_學士班轉學生聯合招生考試：生物化學#129347

114年 - [無官方正解]114 國立臺灣大學_轉學生招生考試試題：生物化學概論#128196

114年 - 114 台灣聯合大學系統_碩士班招生考試試題_化學類：生物化學#126447

114年 - 114 國立成功大學_碩士班招生考試試題：生物化學#126226

114年 - 114 國立臺灣大學_ 碩士班招生考試試題：生物化學(C)#125975

114年 - 114 國立臺灣大學_ 碩士班招生考試試題：生物化學(A)#125974

114年 - 114 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)#125973

113年 - [無官方正解]113 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#136966