資訊推薦

• 26. Which one of the following salts, when dissolved in water, produces the solutionwith the lowest
• 27. Which of the following is a Lewis acid?(A) BBr3 (B) CCl4 (C) NH3 (D) CHBr3
• 2. Which attribute of biological membrane is NOT correct?(A) Membranes consist mainly of lipids and
• 3. Which molecule below is the key regulator of membrane fluidity in animals?(A) Glycolipids (B) Fat
• 4. Which description is NOT correct?(A) A nucleic acid consists of four kinds of bases linked to a s
• 5. Which of the following force does NOT exist in the quaternary structure of theprotein?(A) Electro
• 6. What kind of protein secondary structure is silk (fibroin) made of?(A) α-helix (B) β-sheet (C) β-
• 7. What type of inhibitor does penicillin belong to?(A) Competitive inhibition (B) Uncompetitive inh
• 8. Which enzyme reactions do NOT obey Michaelis–Menten kinetics?(A) Ping-pong reactions (B) Sequenti
• 9. Which of the following is least likely to cross a cellular membrane withouttransporters or channe
• 10. Which description is NOT correct?(A) Cyclic AMP stimulates the phosphorylation of many target pr
• 11. Which description is NOT correct?(A) The insulin receptor is a dimer that closes around a bound
• 12. What is a prion which cause mad cow disease?(A) Misfolded DNA (B) Misfolded RNA (C) Misfolded pr
• 13. Which of the following is NOT high energy molecule in cellular respiration?(A) ATP (B) AMP (C) N
• 14. Which of the following is NOT a second messenger molecule?(A) Estrogen (B) Inositol 1,4,5-trisph
• 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