296.埋入式電信用插座之裝設高度是
(A)依用戶設備離地面高度裝設
(B)離地面 30 ㎝
(C)依室內挑高決定
(D)依出線匣之高度裝設 。

297.電信設備外殼接地之目的是 (A)防止過載(B)防止電壓閃動(C)防止馬達發生過熱(D)防止感電 。

298.電信管道人孔內的氧氣含量安全值應 (A) ＞6％ (B) ＞14％ (C) ＞18％ (D) ＞10％

299.依據工業安全衛生標示設置準則，標示之圖形為〝尖端向上之正三角形〞代表何種標示？ (A) 禁止 (B) 警告 (C) 注意 (D) 提示 。

300.水泡性灼傷係屬於第幾度灼傷？ (A) 2 (B) 4 (C) 3 (D) 1 。

1. What is the major structural difference between starch and glycogen?(A) the types of monosaccharide subunits in the molecules(B) the type of glycosidic linkages in the molecule(C) whether glucose is in the α or β form(D) the amount of branching that occurs in the molecule

複選題2. What makes lipids/fats hydrophobic? (A) their long carbon skeleton (B) the carboxy1 group at one end of the molecule (C) the glycerol moiety (D) presence of relatively nonpolar C–H bonds

3. Which of the following is a major difference between RNA and DNA? (A) type of sugar (B) type of phosphate (C) type of purines (D) type of glycosidic bond

4. Use the following information to answer the question below. The figure illustrates the energy states associated with the reaction A + B C+ D. Which of the following terms best describes the forward reaction in the figure? (A) endergonic,△G＞0 (B) exergonic,△G＜0 (C) endergonic,△G＜0 (D) exergonic, △G ＞0

複選題5. Which of the following statements describes a central role that ATP plays in cellular metabolism? (A) Hydrolysis of ATP provides an input of free energy for exergonic reactions. (B) ATP provides energy coupling between exergonic and endergonic reactions. (C) Hydrolysis of the terminal phosphate group stores free energy that is used for cellular work. (D) Its terminal phosphate bond is stronger than most covalent bonds in other biological macromolecules.

6. Which of the following statements about enzyme function is true? (A) Enzyme function is generally increased if the three-dimensional structure or conformation of an enzyme is altered. (B) Enzyme function is independent of physical and chemical environmental factors such as pH and temperature. (C) Enzymes increase the rate of chemical reactions by lowering activation energy barriers. (D) Enzymes increase the rate of chemical reactions by providing activation energy to the substrate.

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