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111年 - 111 台灣聯合大學系統_碩士班招生考試試題_化學類：生物化學#118563
> 試題詳解
5.______is commonly used to stain proteins after SDS-PAGE.
(A) DAPI
(B) EtBr
(C) Coomassie Brilliant Blue
(D) CNBr
(E) BUdR.
答案：
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統計：
A(0), B(0), C(1), D(1), E(0) #3191415
詳解 (共 1 筆)
木公的診間裝潢中
B1 · 2024/01/24
#6014796
_____is commonly use...
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其他試題
1._______received the Nobel prize in 1954 for his discovery of the protein secondary structures (a helix and β sheet). (A) Walter Gilbert (B) Erwin Chargaff (C) Linus Paulin (D) Fred Sanger (E) Karst Hoogsteen
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2. αhelix of a polypeptide has a pitch (height per turn) of ______m. (A) 0.10 (B) 0.15 (C) 0.34 (D) 0.54 (E) 1
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3. Which of the following descriptions about Hb (hemoglobin) is incorrect? (A) One Hb can bind 4 O2 molecules (B) HbA has an a2β2 structure (C) HbF has an α2γ2 structure (D) HbF has a higher affinity for BPG than does HbA(E) CO2 reduces the binding affinity of Hb for O2.
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4.Which of the following descriptions about the Michaelis-Menten rate equation is incorrect? (A) KM measures the substrate concentration at which the reaction rate is Vmax/2 (B) kcat is the turnover number that measures the rate of the catalytic process (C) The ratio of kcat/Vmax is a convenient measure of enzyme efficiency (D) The unit for KM is μV (E) The unit for kcat is s-1.
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6. A protein consists of 1,000 amino acid residues. What is its approximate molecular weight? (A) 33 (B) 65 (C) 330 (D) 110 (E) 1,100 KD.
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7. Absorbance at______ nm is frequently used to determine the concentration of a protein. (A) 200 (B) 260 (C) 280 (D)400 (E) 540.
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8. Which of the following compounds has the highest molecular weight? (A) adenine (B) adenosine (C) adenylate (D) thymine (E) thymidine.
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9. Which of the following descriptions regarding disaccharide is incorrect? (A) Sucrose is α-D-glucopyranosyl (1-2) β-D-fructopyranoside (B) Sucrose is a non-reducing sugar (C) Maltose has an a(1→4) linkage (D) Cellobiose is β-D-glucopyranosyI (1→4) β-D-glucopyranose (E) Lactose is a reducing sugar.
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10. Which of the following restriction endonucleases is an isoschizomer of Xbal (TCTAGA)? (A) EcoRI (GAATTC) (B) SpeI (ACTAGT) (C) BamHI (GGATCC) (D) SalI (GTCGAC) (E) EagI (CGGCCG),
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11. Which scientist made a significant contribution to the understanding of the structure of collagen? (A) K. B. Mullis (B) J. D. Watson and H. C. Crick (C) A. D. Hershey and M. Chase (D) S. B. Prusiner (E) G. N. Ramachandran.
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