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14. Which cofactor is required during the formation of collagen?(A) Retinol (B) Tocopherol (C) Ascor
問題詳情
14. Which cofactor is required during the formation of collagen?
(A) Retinol
(B) Tocopherol
(C) Ascorbate
(D) Calcitriol
參考答案
上一篇 :
13. What amino acid residues are most likely to be found at type I or type II β-turns?(A) Ala (B) Gl
下一篇 :
15. Which amino acid residues are more likely to be found at the N-terminus of an α-helix?(A) D or E
資訊推薦
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17. What kind of protein secondary structure is spider silk made of?(A) α-helix (B) β-sheet (C) β-tu
18. What proteins are involved in protein folding?(A) Ribonuclease A (B) Myoglobulin (C) Chaperonins
19. Which protein denaturant can unfold a protein reversibly?(A) Acid or alkaline (B) Organic solven
20. What forces drive the formation of protein tertiary structure?(A) Hydrophobic interaction (B) El
21. Which statement regarding to enzymes below is incorrect?(A) Most enzymes are proteins.(B) Enzyme
22. Which statement about enzymes below is correct?(A) An enzyme has specificity toward its substrat
23. An enzyme will have higher affinity for which one of the following?(A) The substrate (B)The reac
24. How does an enzyme lower the reaction activation energy?(A) By lowering the entropy(B) By bindin
25. Regarding to inhibition mechanisms, which statement below is correct?(A) If the inhibitor binds
26. With an enzyme following Michaelis behavior, what initial velocity would you expect, when the su
27. If an enzyme has a Vmax of 10 unit and its Km is 8 mM, how fast can the enzyme catalyze the reac
28. Which type of inhibitor will a minimal impact on the enzyme’s Km ?(A) Competitive (B) Un-competi
29. Which type of inhibitor will a minimal impact on the enzyme’s Vmax?(A) Competitive (B) Un-compet
30. When a protein is hydrolyzed with strong alkaline, which amino acids will be underestimated?(A)
31. Which nucleosides below contain both purines?(A) C, T (B) C, G (C) A, G (D) A, T
32. Which nucleoside occurs rarely in RNA?(A) Thymidine (B) Uridine (C) Cytodine (D) Guanosine
33. Which part of nucleotide determines if it is DNA or RNA?(A) Purines (B) Pyrimidines (C) Ribose (
34. Which part of ATP contributes to its energy charge?(A) Purines (B) Pyrimidines (C) Ribose (D) Ph
35. Which one of the following is not a purine?(A) Adenine (B) Cytosine (C) Guanine (D) Inosine
36. Which nucleotide pairing is more stable than the rest?(A) dC, dG (B) dA, dT (C) G, U (D) Hoogste
37. Which molecule below is most likely to form hair-pin structures(A) dsDNA (B) mRNA (C) ssRNA (D)
38. What factors may affect the melting temperature of DNA(A) Nucleotide length (B) C, G content (C)
39. With uv light exposure, what DNA damage is likely to form?(A) de-purination (B) de-amination (C)
40. Which statement(s) below regarding to double stranded DNA is/are correct?(A) All DNA are right h