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• 6.Which of the following amino acid residues would most likely be found in the interior of aglobular
• 7.Quaternary structure of proteins is associated with(A) the overall shape of the polypeptide chain(
• 8.Which one of the following statements about hemoglobin (Hb) and myoglobin (Mb) is true?(A) Adult H
• 9.Which of the following is a disorder caused by a genetic mutation in the keratin gene?(A) Cystic f
• 10. Which of the following statements about lactate dehydrogenase (LDH) is true?(A) An enzyme that b
• 11. If the y-intercept of a Lineweaver-Burk plot = 1.23 (sec/millimole) and the slope = 23.3 L/sec,K
• 12. The Michaelis-Menten constant (KM) is(A) a rough measure of the affinity of the enzyme for the s
• 13. Which of the following statements about ATCase is true?(A) ATCase is an enzyme involved in glyco
• 14. Which of the following types of amino acids in an active site is most unlikely to be involved in
• 15. What is the primary difference between chymotrypsin and trypsin?(A) Chymotrypsin cleaves peptide
• 16. Which of the following is true about phospholipids, sphingolipids, and cholesterol?(A) All three
• 17. Which of the following is true about triacylglycerol and lipase?(A) Triacylglycerol is a type of
• 18. Which of the following four fatty acids has the lowest melting point?(A) CH3(CH2)10COOH(B) CH3(C
• 19 What type of receptor is the Acetylcholine receptor (AchR)?(A) Ion channel receptor(B) G-protein
• 20. Which of the following best describes the function of the transducer in G protein-coupledrecepto
• 21. Which of the following statements about insulin is correct?(A) Insulin binds to its receptor on
• 22. Which of the following statements about the Ras protein is true?(A) It is a tumor suppressor gen
• 23. Which of the following is true about ATP synthesis by F1F0 ATPase(A) The Fi subunit is responsib
• 24. Which of the following is a common second messenger in signal transduction pathways?(A) Epinephr
• 25. What is the function of nuclear receptors(A) To bind to steroid hormones in the nucleus and prom
• 26. Which one of the following molecules containing a glycosidic bond?(A)β-D-galactosamine.(B) methy
• 27.The statements below for 2,3-bisphosphoglycerate (2,3-BPG) are correct EXCEPT:(A) erythrocytes ty
• 28. Which one of the glycolytic enzymes below generates a mixed anhydride from phosphoric acid?(A) e
• 29.Order the coenzymes according to their participation sequence within pyruvate dehydrogenasecomple
• 30. Which of the following processes constitute the two-step reaction catalyzed by isocitratedehydro