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• 2. The 5' → 3' exonuclease activity of E. coli DNA polymerase I is involved in:(A)Sealing
• 3. The role of the Dam methylase is to:(A)Remove a methyl group from thymine(B) Replace a mismatched
• 4. In homologous recombination in E. coli, the protein that assembles into long, helical filaments t
• 5. Which amino acid has an unusual side-chain that includes the nitrogen of the amino group attached
• 6. Human blood plasma contains about 7% protein. These plasma proteins have pK values close to 4 or
• 7. The molecule 2,3- bisphosphoglycerate (BPG) is present in red blood cells, in which it binds nonc
• 8. In sickle cell hemoglobin, a Glu is mutated to a_____. This causes the formation of_____ between
• 9. Which of the following statements about the reactions of glycolysis is correct?(A)Glucose -1:6-bi
• 10. Which one of the following molecules donates a phosphate group to ADP to produce ATP in the reac
• 11. Which of following is an anomeric pair?(A)o-D-glucose and B-L-glucose(B)a-D-glucose and B-D-gluc
• 12. Which of the following is NOT glycosoaminoglycan?(A)Heparin(B) Hyaluronan(C) Chondroitin sulfate
• 13. Which description of the function of lipids is below is wrong.(A)The main biological function of
• 14. Lipoproteins are important in lipid transport. Which molecule listed below is NOT a component of
• 15. Which mechanism listed below is NOT involved in alternative mRNA precursor processing?(A)Selecti
• 16. In the nomenclature of restriction enzymes, like BamHI, please answer what " B " means
• 17.Which of the following statement for the lambda phage switching between lytic and lysogenic pathw
• 18. Which of the following statement for the regulation of eukaryotic gene transcription is NOT corr
• 19. Which of the following statement for the control of the regulatory transcription factors is NOT
• 20. Which of the following technique can NOT be used for mRNA quantitation.(A)Southern blot analysis
• 21. Which of the following post-translational modification is common for protein to target to the pl
• 22. How many membrane-spanning domains do G-protein coupled receptors possess?(A)1(B)3(C)5(D)7(E)9
• 23. Which of the following receptor family mediates bi-directional (both inside-out and outside-in)
• 24. Which of the following hormone has the longest half-life in serum?(A)Thyroxine (T4)(B) Thromboxa
• 25. Which of the following enzymes can generate H2O after the completion of their catalyzed reaction
• 26. Which of the following reactions can produce succinate as a product?(A)α-ketoglutarate dehydroge