資訊推薦

• 43. Five DNA polymerases have been found in (E) coli. Which of the following isprimarily responsible
• 44. Five DNA polymerases have been found in eukaryotes. Which of the following isprimarily responsib
• 45. Which one of the following molecules is the key regulator of membrane fluidity?(A) Glycolipids (
• 46. Which one of the following mechanisms can regenerates NADH inside themitochondrial matrix?(A) Ma
• 47. Which one of the following molecules is   NOT   the second messenger in thephosphoinositol signa
• 12. 下列何者在 Cl2/CCl4 的反應條件下不會產生二個立體異構物? (A) I (B) II (C) III (D) IV
• 14. In the best Lewis structure for NO +, what is the formal charge on the N atom?(A) -1(B) 0(C) +1(
• 15. Which of the elements listed below is most likely to exhibit an expanded octet inits compounds?(
• 16. Give the number of lone pairs around the central atom and the moleculargeometry of SCl2.(A) 0 lo
• 17. Use VSEPR theory to predict the geometry of the BF3 molecule.(A) linear(B) bent(C) trigonal plan
• 18. Which one of the following molecules has tetrahedral geometry?(A) XeF4(B) BF3(C) AsF5(D) CF4
• 19. Which one of the following molecules has a non-zero dipole moment?(A) BeCl2(B) Br2(C) BF3(D) IBr
• 20. Which one of the following molecules is polar?(A) PBr5(B) CCl4(C) BrF5(D) XeF2
• 21. What is the strongest type of intermolecular force present in NH2CH3?(A)dispersion(B) dipole-dip
• 22. Identify the compound that does not have hydrogen bonding.(A) (CH3)3N(B) H2O(C) CH3OH(D) HF
• 23. What is the type of intermolecular force for dissolving NaCl in H2O?(A)dispersion(B) dipole-dipo
• 24. What is the type of intermolecular force for dissolving Br2 in H2O?(A)dispersion(B) dipole-dipol
• 25. Which of the following acids will have the strongest conjugate base?(A)HCl(B) HClO4(C) HNO3(D) H
• 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
• 48. What is the major product in pentose phosphate pathway (PPP)?(A) ATP (B) NADH (C) NADPH (D) FADH
• 49. Which type of DNA is the principal form that occurs in nature?(A) A-DNA (B) B-DNA (C) Z-DNA (D)
• 50. Which of the following provides the energy to drive many processes in cells?(A) ATP (B) NADH (C)
• 51. What is the net gain of ATP production in the lactic acid fermentation?(A) 30 (B) 8 (C) 4 (D) 2
• 28. Which of the following is a Lewis base?(A)AlF3(B) H2O(C) SiF4(D)