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• 4. Which of the following pairs of bonds within a peptide backbone show free rotation around bothbon
• 5. Cooperative binding between ligands and proteins can be described quantitatively with the Hillequ
• 6. Which cofactors are involved in the conversion of pyruvate to acety-CoA?(A) Biotin, flavin adenin
• 7. The two moles of COz produced in the first turn of the citric acid cycle have their origin in the
• 8. If electron transfer in tightly coupled mitochondria is blocked (with antimycin A) betweencytochr
• 9. During oxidative phosphorylation, the proton motive force that is generated by electron transport
• 10. Which of the following statements concerning the B oxidation of fatty acids is true?(A) About 1,
• 11. The ribosome is the key organelle for protein translation in a cell. Which of the followings is
• 12. elF4F is a complex of eukaryotic translation initiation factors that binds to the cap structure
• 13. There are several kinds of RNA polymerases in eukaryotic cells. What is the RNA polymerasethat m
• 14. Which of the followings is not a posttranscriptional RNA processing event in eukaryotic cells?(A
• 15. Which of the followings is one of the mechanisms that repair DNA damage in eukaryotic cells?(A)
• 16. Which of the following statement about isoenzymes and isoforms of enzymes is correct?(A) Differe
• 17. Which of the following statement is correct about reversible inhibition of enzymatic reactions?(
• 18. Which of the following statement about coenzymes and prosthetic groups is not correct?(A) coenzy
• 19. Which enzyme catalyzes the reaction NDP → dNDP?(A) thymidylate synthase (B) ribonucleotide kinas
• 20. Double stranded DNA molecules can be cleaved at specific recognition sites by(A) RNA polymerase.
• 21. Which one of the following is the major component of cell membrane?(A) cholesterol (B) triacylgl
• 22. GLUT 1 is a transporter for glucose uptake. Which mechanism is used by this receptor?(A) simple
• 23. The expression of phosphatidyIserine on cell surface could be observed in which cell behavior?(A
• 24. Which linkage is presented in sucrose in between?(A) a-1.8-2-glycosidic (B) B-1,4-glycosidic (C)
• 25.Which one of the following is the substrate for cyclooxygenase-2?(A) arachidonic acid(B) triacylg
• 2. In theory, will diffusion occur at the absolute zero temperature?(A) Yes, as long as concentratio
• 3. Which of the following factors does NOT influence the equilibrium potential for an ion?(A) the co
• 4. Two neighboring ncurons are at rest. Neuron A has a resting membrane potential of -80 mV, andNeur