11. An intermediate of purine degradation in humans is:
(A) glutamate.
(B)
(C) succinate.
(D) urea.
(E) uric acid.

12. Transport of fatty acids from the cytoplasm to the mitochondrial matrix requires: (A) ATP, carnitine, and coenzyme A. (B) ATP, carnitine, and pyruvate dehydrogenase. (C) ATP, coenzyme A, and hexokinase (D) ATP, coenzyme A, and pyruvate dehydrogenase. (E) carnitine, coenzyme A, and hexokinase.

13. Which compound is an intermediate of the B-oxidation of fatty acids? (A) (B) (C) CH3CH2-CO-CH2-OH (D) CH3-CH2-CO-CO-S-CoA (E) CH3- CO- CH2- CO-S-CoA

14. The major carrier(s) of dietary fat from the intestine is (are): (A) VLDL. (B) chylomicrons. (C) HDL. (D) LDL. (E) IDL.

15. What molecule contributes at least two nitrogen atoms to each purine? (A) asparagine (B) 10-formyltetrahydrofolate (C) glycine (D) glutamine (E) carbamoyl phosphate

16. Which of the following best explains the enzyme(s) involved in ribonucleotide reduction? (A) there is 1 enzyme for each of the 4 different nucleotides (B) 1 enzyme for pyrimidine nucleotides and 1 for purine nucleotides (C) 1 enzyme for pyrimidine nucleotides, 1 for ADP and I for GDP (D) 1 enzyme for purine nucleotides, 1 for CDP and 1 for UDР (E) 1 enzyme for all 4 nucleotides

17. Which of the following molecules uses chorismate as a precursor? (A) p-aminobenzoic acid (B) coenzyme Q (C) phenylalanine (D) tryptophan (E) all of the above

18. What are the products of the following transamination?  (A) glutamine and pyruvate  (B) a-ketoglutarate and alanine (C) glutamate and alanine (D) oxaloacetate and alanine (E) aspartate and pyruvate

1. When mitochondria are actively carrying out aerobic respiration(A)the pH of the matrix is greater than the pH of the intermembrane space.(B)the pH of the matrix is less than the pH of the intermembrane space.(C)the pH ofthe matrix is about the same as the pH of the intermembrane space.(D)the pH of the matrix versus the intermembrane space has nothing to do with whether not aerobic respiration is occurring.

2. The fate of pyruvate produced during glycolysis depends primarily on the availability of(A)NAD+ to keep the pathway going.(B)molecular oxygen.(C)ADP for conversion to ATP.(D)coenzyme A for further metabolism of pyruvate.(E)phosphoric acid for the synthesis of ATP.

3. In humans, pyruvate can be converted to(A)acetyl-CoA only.(B)lactate only.(C)ethanol only.(D)acetyl-CoA and lactate.

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