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113年 - 113 國立臺灣大學_碩士班招生考試:生化學#118908
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27. Draw the tetrapeptide Tyr-Asp-Ile-Met at physiological pH.
其他申論題
(三) 職業衛生管理人員計畫引進「屏蔽」進行此特定音源之噪音控制,經調查, 改善前此特定音源係藉由直線傳播及地面反射(傳播損耗為 3 dB)傳達到 特定測點,改善後此音源到特定測點之傳播路徑變為 4 條,其傳播損耗分 別為 3 dB、7 dB、8 dB、10 dB,「屏蔽」所造成之音量減量為多少 dB?(5 分,四捨五入計算至整數) ( )
#506645
1. 依職業安全衛生設施規則規定(如表二),試計算其暴露劑量?
#506646
2. 若職業衛生管理人員參考美國 OSHA 聽力保護計畫指引標準(如表三), 試計算其暴露劑量?
#506647
(五) 表四為勞工 5 年之定期聽力檢查結果,試計算該名勞工之標準聽力閾值衰 減值為何?(4 分,四捨五入計算至小數點後 1 位)
#506648
28. You wish to determine the sequence of a short peptide. Cleavage with trypsin yields three smaller peptides with the sequences Leu-Glu, Gly-Tyr-Asn-Arg, and Gln-Ala-Phe-Val-Lys. Cleavage with chymotrypsin yields three peptides with the sequences Gln-Ala-Phe, Asn-Arg-Leu-Glu, and Val-Lys-Gly-Ty. What is the sequence of the intact peptide?
#506650
29. In the following polypeptide, where might bends or turns occur? Where might intrachain disulfide cross-linkages be formed? Phe-Ala-His-Cys-Thr-Trp-Gly-Phe-Pro-Glu-Ser-Ala-Met-A rg-Trp-Glu-Ala-Asn-Asp-Gly- Pro-Met-Glu-Ala-Phe-Cys-His-Arg-
#506651
31. Please determine the pI of the following peptides: Lys-His-Trp-Ser-Gly-Gly-Leu-Arg-Pro-Gly
#506652
32. Please describe the biological functions of co-enzyme Q and Q cycle in mitochondria?
#506653
33. Please provide an explanation why fatty acid catabolism can turn off glycolysis and turn on gluconeogenesis?
#506654
34. What is the process of glycogen biosynthesis from glucoses?
#506655