生物化学试题(国外英文资料)Word格式.docx

1、4 protein （C） in the state of isoelectric pointA molecule is the least stable of the charge B molecules, the most volatile C total charge is zero D solubilityTry to determine the correct sequence of plasma lipoprotein density （B） from low to high.A.L DL, VLDA, CM B.C M, VLDL, LDL, HDLC. CM, VLDL, ID

2、L d. VLDL, LDL, CM, and HDL One carbon unit does not include （C）A. - CH3 b. CH2 - c. CO2No amino acids in the protein are （B）A. cysteine c. arginine d. lysineThe main chemical bond that holds the protein primary structure is （C）A. ionic bond b. disulfide bondWhich of the following is the wrong （D） o

3、f the concept of the alpha-screwA: usually the right hand screw b. 3.6 amino acids for A spiral C. The main hydrogen bonding is maintained by the main disulfide bond10. Combining with the enzyme in which of the following circumstances is active （D）A. substantiveenzyme proteinB. coenzyme exist aloneC

4、. enzyme substantivebaseD. all exists in the form of enzymeE. there are agonists11. About the meaning of the Km value, is not correct （C）A.K m is the characteristic constant of enzymeB.K m value associated with the structure of enzymeC.K m is equal to the reaction to the maximum speed through the en

5、zyme concentrationThe D.K m is equal to the substrate concentration at the maximum of one halfVitamin B2 is the component of the following subbase or coenzyme （D）A. NAD? + B.N ADPH, pyridoxine d. FAD13, 1 mole of acetyl CoA completely oxidizes how many moles of ATP （B）A. 11 b. 1 c. 13 d. 1414, the r

6、aw material for the synthesis of DNA is （A） A, dATP, dGTP, dCTP, dTTP B, ATP, dGTP, CTP, TTPC, ATP, UTP, CTP, TTP D, dATP, dUTP, dCTP, dTTP15, synthetic RNA of raw material is （A）A, ATP, GTP, UTP, CTP made B, dATP, dGTP, dUTP, dCTP C, ATP, GTP, UTP, TTP D made, dATP, dGTP, dUTP, dTTP16, the end prod

7、uct of purine nucleotide decomposition is （C）A, urea, ketone body B C D, uric acid, lactic acid,The end product of the aerobic oxidation of sugar is （C）A, lactic acid, urea B C, carbon dioxide and water 2 D o,ketone body18, the former refers to the enzyme is （A） A, the precursor of the inactive enzy

8、meB,catalysis of enzymeC, the enzyme that is active when the temperature is high C, the enzyme that is active when the PH is high19, liver patients spider angioma or liver palm because （B）A. insulin inactivated abatedB. estrogen inactivated abatedC. testosterone inactivated abated Female hormone ina

9、ctivated enhancement 20, mainly comes from （A）bilirubinA. hemoglobinB. myoglobin breakdownThe decomposition of the globulinD. myoglobin breakdownTwo. Multiple choice questions （2 x 5 = 10）The following are the essential fatty acids （ABC）.A. linoleic acid b. linoleic acid c. arachic acid d. stearic a

10、cid e. stearic acidWhich of the following nucleotides are the ingredients of synthetic RNA （ABCE）.A. the b. the c. the d. theThe following statements about the oxygen-free oxidation ofsugar, which are correct （BD）A. from glucose or sugar, B. A molecule of glucose is cleared by oxygen without oxygenC

11、.A molecule of sugar has a net 3 molecules of ATPD. the end product is lactic acidE. carbon dioxide and waterWhat are the correct （ABCD） statements about nucleotides?A. ATP is the basic unit of DNA and RNA. ATP is the direct energy supplierC.U TP participates in the synthesis of glycogen in glycogen

12、The following relationship （ABD） between enzyme protein and coenzymeA. different enzyme proteins may use the same coenzyme and catalyze different reactionsB. only the whole enzyme has catalytic activityC. both have the same task in enzymatic reactionsD. An enzyme protein usually only needs a coenzym

13、e（4 * 5 = 20）The salt of protein: in a solution containing a protein, it is added to the high concentration of neutral salt and the process of precipitating the protein.Fat mobilization: the stored fat is gradually hydrolyzed by lipase in the tissue cells, releasing fatty acids and glycerin, and sup

14、plying other tissues with oxidative use.Glycosin: the process of converting a non-sugar substance into glucose.Blood sugar: glucose in the blood Q&a （30 minutes）Would you write down the type and function of the RNA? （6） Page 24Why is ketoacidosis in chronic hunger? （5 points） On page 893, the basic principle, classification and function of plasma lipoproteins separated by speeding centrifugation. （10 points