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• 15. The binding of signaling molecules to their receptors initiates pathways that leadto important p
• 16. Which description is NOT correct?(A) The insulin receptor is a dimer that closes around a bound
• 17. Which description is NOT correct?(A) Actin is a polar, self-assembling, dynamic polymer.(B) Myos
• 18. Microtubules are key components of cilia and flagella present on some eukaryoticcells. What is t
• 19. What is the major electron donor in reductive biosynthesis reactions?(A) ATP (B) NADH (C) NADPH
• 20. What is the universal currency of free energy in biological system?(A) ATP (B) NADH (C) NADPH (D
• 21. Which bases of DNA can be methylated?(A) Adenine and Cytosine (B) Adenine and thymine (C) Guanin
• 22. Oseltamivir (Tamiflu) is an antiviral medication used to treat influenza. Which ofthe following
• 23. What is the net gain of ATP molecules production in the glycolysis?(A) 30 (B) 8 (C) 4 (D) 2
• 24. Which of the following molecule is the final product of the glycolysis?(A) Pyruvate (B) Ethanol
• 25. What is the main place for the tricarboxylic acid (TCA) cycle in cells?(A) Cytosol (B) Mitochond
• 26. Which complex in the respiratory chain is NOT a proton pump?(A) Complex I (B) Complex II (C) Com
• 27. What complex can be inhibited by Rotenone and Amytal?(A) Complex I (B) Complex II (C) Complex II
• 28. How many ATPs are spent synthesizing glucose from pyruvate ingluconeogenesis?(A) 2 (B) 4 (C) 6 (
• 29. Which of the following level of molecule can regulate the rate of pentosephosphate pathway (PPP)
• 30. Which of the following hormone can regulate the metabolism of glycogen?(A) Insulin (B) Epinephri
• 31. Which of the following molecule is NOT generated in fatty acid oxidation?(A) NADPH (B) NADH (C)
• 28. Which of the following is a Lewis base?(A)AlF3 (B) H2O (C) SiF4 (D)
• 32. Which description is NOT correct?(A) The complete oxidation of palmitate ( COOH) yields 106 mole
• 29. Which are acid-base reactions according to Lewis theory but not according tothe Brønsted-Lowry t
• 33. Which of the following receptor plays a key role in controlling cholesterolmetabolism?(A) VLDL r
• 34. Which of the following hormone is NOT derived from cholesterol?(A) Insulin (B) Progesterone (C)
• 35. Which description of cytochrome P450 is correct?(A) Steroids are hydroxylated by cytochrome P450
• 36. Which of the following compound is NOT involved in urea cycle?(A) Glutamate (B) Ornithine (C) Fu
• 37. Which of the following coenzyme is required for aminotransferase?(A) Folic acid (B) Biotin (C) F