山东大学生化考试(英文)内部资料.doc

山东大学医学院 （2008——2009学年第1学期） 2007级医、药、卫、口、护专业生物化学试题（A卷） Biochemistry Examination Paper for International Students Grade 2007 题号 一 二 三 四 五 六 七 八 九 十 总分 统分人 得分 得分 评卷人 Ⅰ．Explain the following terms (30 marks, 6 marks/each) Motif： 扣分 Active center of enzyme： Oxidative phosphorylation： One carbon unit： 扣分 Biotransformation： 得分 评卷人 Ⅱ. Choice: (30 marks, 1 mark/each) Single choice: Choose the one best answer (18 marks, 1 mark/each) 1. Which of the following amino acids is imino acid A. proline B．histidine C．glycine D．tryptophan E．lysine 2. Which of the following amino acids is sulfur-containing amino acid A．Trp B．Thr C．PheD．Met E．Pro 3. rotein conformation is determined by A．α-heli and β-pleated sheet B．ionic bond/salt bond in peptide chain C．sequence of amino acid in peptide chain D．disulfide bond in peptide chain E．hydrogen bond in peptide chain 4. hich of the following chemical bonds is involved in maintaining α-helix and β- pleated sheet A．peptide bondB．ionic bond/salt bond C．disulfide bond D．hydrophobic bond E．hydrogen bond 5. Which of the following descriptions about denaturation of hemoglobin is correct A．The spatial structure is destroyed and biological activity is lost B．The primary structure and biological activity of Hb are not changed C．Peptide bonds are cleaved and biological activity of protein is lost D．The spatial structure and biological activity are not changed E．The primary structure is changed and biological activity is lost 6. Which of the following techniques used for protein separation is only based on molecular weight (MW) of protein A．anion-exchange chromatography B．cation-exchange chromatography C．gel filtration D. affinity chromatography E．electrophoresis 扣分 D. 32 E. 2 8. The important end products of pentose phosphate pathway are: A.5-phosphate ribose, NADH B.6-phosphate glucose, NADPH C. 5-phosphate ribose,