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• 6. 配管符號 表示 (A)90 度彎管 (B)閘門閥 (C)單流閥 (D)聯合接頭 。
• 16. Which of the following statements correctly identifies a type II restrictionendonuclease?(A) The
• 17. Most of the ATP made during cellular respiration is generated by____________. (A) glycolysis(B)
• 18. A membrane's fluidity is largely determined by the percentage of(A) Phosphatidylcholine(B)
• 19. All of the following are characteristics for in vitro DNA synthesis EXCEPT:(A) DNA polymerase ad
• 20. Which statement concerning the glycolytic and gluconeogenic pathways is correct?(A) Gluconeogene
• 21. D loops and variable loops are found in_____________ (A)mRNA(B)IRNA(C) tRNA(D) hRNA(E) snNA
• 22. α-D-Glucose + ATP → ____________+_________+H+(A)  α-D-fructose； ADP(B)  α-D-glucose-1-phosphate；
• 23. Regulated metabolic pathways are_________. (A) irreversible(B) committed after the first step(C)
• 24. The acyl-CoA formed in the________is transported to the__________fox oxidation.(A) mitochondrial
• 25. When an individual breathes very rapidly, large amounts of carbon dioxide areexhaled. What effec
• 26. All of the information necessary for a protein to achieve its intricate architectureis contained
• 27. Coenzyme Q is involved in electron transport __________.(A) directly to O2(B) as a lipid-soluble
• 28. Weak forces that create constantly forming and breaking interactions atphysiological temperature
• 29. In a eukaryotic cell, most of the enzymes of the electron transport chain are locatedin the ____
• 30. All of the statements about the classification of these amino acids are correctEXCEPT:(A) Aspart
• 31. What carbohydrates are reactants in glycolysis?(A) Pyruvate only(B) Glucose only(C) Sucrose only
• 32. Opposing degradative and biosynthetic pathways__________. (A) use the same enzymes for many step
• 33. One of the principal methods that organisms use to obtain energy from chemicalbonds is by_______
• 34. Which of the following is a tricarboxylic acid?(A) oxaloacetic acid(B) citric acid(C) acetic aci
• 35. In the eukaryotic cell cycle the M(itosis) phase occurs after the__________ phase.(A) G0 (B) G1 
• 36. For each molecule of glucose converted to pyruvate in the glycolytic pathway ___________molecule
• 37. All of the following are referred to collectively as the branched chain amino acidsexcept_______
• 38. Which of the following are major sites for glycogen storage?(A) Adipose tissue (B) Muscle and li
• 39. Detergents denature proteins by disrupting which of the following?(A) Hydrogen bonds(B) Disulfid