資訊推薦

• 3. A protein contains two short polypeptide chains linked by three interstrand disulfide bonds.The m
• 4.__________is specific in hydrolyzing peptide bonds where the carboxyl function iscontributed by a
• 5. A protein's particular conformation is described below EXCEPT:(A) the overall three-dimensio
• 6. NADPH generally can be obtained from(A) glycolysis,(B) TCA cycle,(C) pentose phosphate pathway,(D
• 7. Cytochrome c oxidase is NOT able to inhibit by(A) cyanide,(B) quercetin,(C) sodium azide,(D) carb
• 8. The active site of oxygen-evolving complex of photosystem II contains a metal cluster thatconsist
• 9. Chromatin is about__________DNA/__________protein by weight(A) 70%, 30%,(B) 60%, 40%,(C) 50%, 50%
• 10. What would be the 7-residue primer used to amplify: 5'-ATTACATAGCATAAGGCAT-3'(A) 5
• 11. Formation of the ES complex results in(A) entropy gain,(B) enthalpy gain,(C) enthalpy loss,(D) e
• 12. Ribose is mainly produced by_________in cells.(A) glycolysis pathway,(B) pentose phosphate pathw
• 13. To synthesis one molecule of palmitate from acetyl-CoA and malonyl-CoA, how manyelectrons are in
• 14. Based on the molecular structures of various membrane phospholipids. Which statementregarding ch
• 15. What is the overall net charge of the peptide sequence Arg-Gly-Ser-Lys-Glu-Asp at pH 7.0?(A) +2,
• 16. A Ramachandran plot shows:(A) the amino acid residues which have the greatest degree of rotation
• 17. Which amino acid acts as a helix breaker due to its unique structure?(A) glycine,(B) tyrosine,(C
• 18. All of the following play asa feedback inhibitor of glutamine synthetase EXCEPT?(A) AMP,(B) gluc
• 19. All of the following are characteristics of phenylketonuria EXCEPT?(A) untreated patients suffer
• 20. All are characteristics of xanthine oxidase EXCEPT?(A) present in large amounts in liver, intest
• 21. Which of the following is the mechanism of action of 5-fluorouracil?(A) competitive inhibitor of
• 22. Which of the following equipment is not essential for current proteomics study?(A) surface plasm
• 23. Which one is the most sensitive strategy to detect proteins in gel?(A) coomassie blue stain,(B)
• 24. In the electron transport system of mitochondria, the hydrophobic mobile carrier of electron(A)
• 25. Succinyl-CoA within TCA cycle provides most of the carbon atoms in the biosynthesis of _.(A) por
• 26. Insulin carries a cellular responsibility to reduce blood glucose as well as________. (A) stimul
• 27. Ethanol metabolism in liver is characterized by all of the following EXCEPT:(A) decreased pH lev