21. FADH2 is a product of which of the following reactions?
(A) Malate → Oxaloacetate
(B) Pyruvate → Acetyl-CoA
(C) Succinyl-CoA → Succinate
(D) Succinate → Fumarate
(E) Succinate → Malate

1. Which of the following is a significant component of RNA but NOT of DNA? (A) Adenine (B) Uracil (C) Thymine (D) Guanine (E) Cytosine

2. Identify the vitamin that originates from cholesterol. (A) Vitamin D (B) Vitamin E (C) Vitamin B12 (D) Vitamin K (E) Vitamin A

3. Which amino acid is called a helix breaker because of its unusual R group that creates a bend in the chain? (A) Histidine (B) Proline (C) Serine (D) Glycine (E) Arginine

4. What is the role of the ribosome in polypeptide elongation during protein translation? (A) Remove the noncoding intron (B) Break hydrogen bonds between the tRNA and the mRNA (C) Travel back and forth between the nucleus and the growing polypeptide, with information on which amino acids should be added (D) Remove incorrectly added amino acids (E) Move along the mRNA transcript bonding amino acids to each other

5. Which word describes the energy-requiring metabolic pathways that yield complex molecules from simpler precursors? (A) Amphibolic (B) Autotrophic (C) Catabolic (D) Endergonic (E) Exergonic

6. At physiologic blood pH, what is the primary ionic form of ammonia? (A) N2 (B) NH2 (C) NH3 (D) NH4+ (E) None of the above

7. Which protein structure is affected primarily by hydrogen bonding? (A) Primary structure (B) Secondary structure (C) Tertiary structure (D) Quaternary structure (E) None of the above

8. Which of the following statements regarding muscle contraction is correct? (A) During muscle contraction, the sarcomere elongates. (B) During muscle contraction, the I-band lengthens (C) During muscle contraction, the H-zone becomes shorter (D) During muscle contraction, the A-band extends (E) During muscle contraction, the distance between the Z-line and the M-line increases

9. Which of the following RNA molecules exhibit catalytic activity? (A) mRNA (B) tRNA (C) rRNA (D) miRNA (E) siRNA

10. Which amino acids are exclusively ketogenic? (A) Arginine and lysine (B) Lysine and leucine (C) Methionine and serine (D) Tryptophan only (E) Valine and isoleucine

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 - 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

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