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• 11. The E. coli recombinant plasmid pBR322 has been widely utilized in genetic engineering experimen
• 12. Which is a characteristic of sphingolipids? (A) They all contain a fatty acid joined to glycerol
• 13. Which of these statements about triacylglycerol synthesis is correct? (A) Humans can store more
• 14.What are the products of β oxidation of a saturated 20-carbon fatty acid? (A) 1 propionyl-CoA, 9
• 15. For skeletal muscle, which of the following correctly pairs the activity state with the source
• 16. Which of the following is true of glucagon? (A) It is released from the pancreatic β-cells when
• 17. Oxidation-reduction reactions in biological system always involve； (A) direct participation of o
• 18. Carotenoids have primary roles in photosynthesis as: (A) accessory light-harvesting and photoox
• 19. Epinephrine triggers an increased rate of glycolysis in muscle by: (A) activation of hexokinase.
• 20. Which of the following reactions in glycolysis is a ketose to aldose isomerization? (A) Hexokina
• 21. When carbohydrate intake is low,______ are formed from acetate units to provide metabolic fuel f
• 22. The_______ of pyruvate to acetyl-CoA is catalyzed by_______.(A) dehydration； pyruvate dehydratio
• 23.The rate of oxidative phosphorylation in mitochondria is controlled prin (A) feedback inhibition
• 24._______and_______ are produced in the light reactions of photosynthesis which are used to convert
• 25. It is crucial that regulation occur at pyruvate dehydrogenase because: (A) pyruvate kinase is re
• 3.已知△ABC中，=4，=7。若secA=56，則=？ (A)8 (B)9 (C)10 (D)11
• 26. Given a Hill plot for protein X (shown in the figure). What is protein X's Hill coefficient
• 33.下列程式執行後所輸出的值為何？ (A)64 (B)256 (C)1024 (D)4096
• 30. 下列化合物何者可以產生 H-bond (A)(B) (C)(D)。
• 12.一組雙線蝸桿與蝸輪機構供傳動之用，下列敘述何者錯誤？ (A)具有自鎖功能 (B)蝸桿轉動1圈，則蝸輪轉動2齒 (C)傳動時，蝸桿上僅承受徑向作用力 (D)適用於須有較大機械利益，但較不考量機械效
• 13.兩個相同的漸開線外齒輪嚙合傳動，下列敘述何者錯誤？ (A)作用線與基圓相切 (B)齒輪的基圓半徑小於節圓半徑 (C)漸開線齒形上任一點的切線與基圓相切 (D)不會因中心距的組裝誤差而改變角速比
• 14.三個模數相同但齒數不同的外齒輪，其中齒輪A為15齒，齒輪B為18齒，齒輪C為20齒，任意選定其中兩個齒輪組成一單式定心輪系， 在相同的輸入扭矩下，下列何組輪系具有最大的輸出扭矩？ (A)主動輪為
• 15.下列何種制動器，不是以直接接觸產生摩擦力的方式，驅使制動器作動？ (A)塊狀制動器 (B)帶式制動器 (C)圓盤制動器 (D)渦電流制動器
• 16.凸輪機構的加速度對時間曲線，若為連續且平滑的曲線，則可大幅降低運轉時的急跳度。下列何種凸輪與從動件的運動類型，具有較低的急跳度？ (A)簡諧運動 (B)擺線運動 (C)等加速運動 (D)修正等速
• 17.一插床急回機構若拆除滑塊與滑塊連接桿，則成為一平面四連桿機構，若其4個桿件的桿長分別為a、b、c及d，且以桿件a為固定桿，下列何組四連桿機構的桿長，適合插床急回機構使用？ (A)a=10cm，b