資訊推薦

• 29. 汽車行駛高速公路或快速公路,下列何者為是(A)禁止車道倒車(B)禁止逆向行駛(C)以上 皆是。
• 30. 汽車駕駛人借用或影印他人執業登記證將照片或姓名更改後使用者,依(A)依公路法處罰 (B)依社會秩序維護法處罰(C)依刑法偽造文書罪移送法辦。
• 2. The reference compound for naming D and L isomers of sugars is: (A) fructose. (B)glucose. (C)sucr
• 3. The alkaline hydrolysis of RNA does not produce: (A) 2' -CMP. (B) 2' ,3'-cGMP. (C)
• 4. Chargaff's rules state that in typical DNA: (A) A =G. (B) A = C. (C) A = U. (D)T+C=G+A. (E)
• 5. The conversion of 1 mol of fructose 1,6-bisphosphate to 2 mol of pyruvate by the glycolytic pathw
• 6.fthe following substrates cannot contribute to net gluconeogenesis in man (A) Lysine (B) glutamate
• 7. Of the 20 standard amino acids, only____is not optically active. The reason is that its side chai
• 8. Two amino acids of the standard 20 contain sulfur atoms. they are (A) cysteine and serine (B) cys
• 9. Which of the following statements about aromatic amino acids is correct? (A) All are strongly hyd
• 10. The formation of a peptide bond between two amino acids is an example of a(n) ________reaction.
• 11. Prosthetic groups in the class of proteins known as glycoproteins are composed of : (A)carbokydr
• 12. All of the following are considered \"'weak\" interactions in proteins, except
• 13. Pauling and Corey's studies of the peptide bond showed that: (A) at pH 7, many different pe
• 14. In hemoglobin, the transition from T state to R state (low to high affinity) is triggered by: (A
• 15. The predominant structural feature in myosin molecules is: (A) a βstructure. (B) an a helix. (C)
• 16. The interactions of ligands with proteins: (A) are relatively nonspecific. (B) are relatively ra
• 17. Amino acid residues commonly found in the middle of β turn are: (A) Ala and Gly. (B) hydrophobic
• 18. Which one of the following statements is true of enzyme catalysts? (A) Their catalytic activity
• 19. The steady state assumption, as applied to enzyme kinetics, implies: (A) Km = Ks. (B) the enzyme
• 20. The standard free-energy changes for the reactions below are given.Phosphocreatine - creatine +
• 21. The rate of oxidative phosphorylation in mitochondria is controlled primarily by: (A) feedback i
• 22. The three-dimensional structure of a protein is determined primarily by: (A) electrostatic guida
• 23. Which of the following is not true of the reaction producing malonyl-CoA during fatty acid (A) I
• 24. One amino acid directly involved in the purine biosynthetic pathway is: (A)alanine. (B) aspartat