複選題
39.Choose the following molecules that directly participate in protein folding.
(A) ATP
(B) GTP
(C) Disulfide isomerase
(D) Chaperone
(E) Proteasome

複選題35. Transcriptional activation of enzymes specified for the utilization of lactose as a carbon source in E. coli requires the small-molecule signals by changing the DNA binding activity of two proteins, one being inactivated and the other activated. They are controlled by binding with (A) c-AMP (B) ATP (C) Lactose or 1,6-Allolactose (D) Isopropyl-thiogalactoside (IPTG) (E) glucose

36. The building blocks of RNA molecules are (A) Adenylate (B) cytidylate (C) Guanylate (D) Thymidylate (E) Uridylate

複選題37.Which of the following biomolecules have the reducing function in the biological system? (A) Glutathione (B) NAD+ (C) NADP+ (D) FADH2 (E) Vitamin C

38.Which of the following RNAs contain high percentage of pseudouridine? (A) mRNA (B) HnRNA (C) rRNA (D) Micro-RNA (E) tRNA

複選題40. The sigma factor (σ) of procaryotic RNA polymerase is part of the core enzyme. Which of the following statement are TRUE for sigma factor? (A)it is released from the core enzyme after first bond has been formed. (B) it is inhibited by o-amanitin (C) it is required for transcription initiation (D) it is dispensable for in vitro RNA polymerization reaction (E) it is a component of RNA polymerase holoenzyme

1. 並聯3個30歐姆的電阻，其等效電阻值為多少歐姆？ (A) 10 (B) 15 (C) 30 (D) 60

2. R-L串聯電路中，當電感器L充電完成後，L儲滿何種能量？ (A)熱能 (B)磁能 (C)電場 (D)位能

3. RLC串聯諧振時迴路之 (A)電流最大 (B)阻抗最高 (C)各元件端電壓最低 (D)各元件電流最小

4. 某材料的電阻溫度係數為0.05/℃，在20℃時其電阻值為10Ω，則電阻值為20Ω時，當時的 溫度為何？ (A) 30℃ (B) 35℃ (C) 40℃ (D) 50℃

5. 電路頻率降低時，其電容抗 (A)增大 (B)不變 (C)減少 (D)不一定