12. What is the function of microRNAS?
(A) regulate RNA stability and protein translation
(B) catalyze some biochemical reactions
(C) act as cofactors of telomerases
(D) assist transport of mRNA

(E) bind to methylated CpG islands

1. Which one of the following accounts for increased lactate formation in muscle under anaerobiosis?(A) Inhibition of hexokinase by glucose-6-phosphate(B) Provision of 2,3-bisphosphoglycerate for the phosphoglyceromutase reaction(C) Inhibition of pyruvate kinase by pyruvate(D) Provision of a proper form of coenzyme for glyceraldehyde-3-phosphate dehydrogenase(E) Inhibition of phosphofructokinase-1 by AMP

2. A human cell line is transfected with a sIRNA targeted toward MEK. When such cells are treated with agrowth factor which works through a tyrosine kinase receptor, which one of the following effects wouldoccur?(A) Activation of ERK(B) Activation of Myс(C) Activation of phosphollpase (PLC-v)(D) Activation of Fos(E) Activation of STAТ

3. In muscle, under anaerobic conditions, what is the net synthesis of ATP starting from one mole of glucosederived from muscle glycogen?(A) 1 mole of ATP(B) 2 moles of ATP(C) 3 moles of ATP(D) 4 moles of ATP(E) 5 moles of ATP

4. Which of the following is the compound A?(A) Citroyl-CoA(B) Citrate(C) 2-Hydroxypropane-1,2-dicarboxylic acid(D) 2-Hydroxypropane-2,3-dicarboxylic acid(E) 1-Hydroxypropane-1,2,3-tricarboxylate

5. Which of the following is the structure of compound B?(A) (B)(C)(D)(E) None of the above

6. Which of the following enzyme （C） catalyzes the conversion of compound B to compound D?(A) Glutaryl-CoA dehydrogenase(B) a-Ketoglutarate dehydrogenase(C) a-Ketoglutarate decarboxylase(D) Glutarate oxidase(E) aconitase

7. Which of the following is the compound D?(A) Succinyl phosphate(B) Adenylosuccinic acid(C) Succinyl-CoA(D) (Hydroxymethyl)succinyl-CoA(E) None of the above

8. Which of the following is the structure of compound E?(A)(B)(C)(D)(E) None of the above

9. The standard transformed free energy change for the conversion of compound F to oxaloacetate is +29.7kJ/mol, and the reaction is apparently thermodynamically unfavorable. Which of the following is the reasonfor its operation in cells?(A) The reaction is coupled to ATP hydrolysis(B) The reaction is coupled to electron transport chain(C) The continual removal of oxaloacetate drives the reaction(D) The oxidation of nicotinamide adenine dinucleotide (NADH) drives the reaction(E) Protonmotive force provides the energy to drive the reaction

10. Which of the following enzyme (G) catalyzes the conversion of compound F to oxaloacetate?(A) Malate dehydrogenase(B) Malate reductase(C) Oxaloacetate reductase(D) Fumarase(E) Fumarate reductase (quinol)

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