資訊推薦

• 29. RNA editing is (A) post-transcriptional alteration of sequences in mRNAs. (B) pre-transcriptiona
• 30. Which of the following is most likely to lead to a loss of gene function? (A) A sequence change
• 31. A cDNA library differs from a genomic library in that (A) the cDNA was constructed from introns
• 32. Protein sorting of anterograde cargo to different destinations within the Golgi complex occurs i
• 33. The only cells that can correctly attach sugars to proteins to form glycoprotein products are (A
• 34. Which type of RNA participates in nuclear export of mRNA? (A) snRNA (B) miRNA (C)tRNA (D) hnRNA
• 35. Synthesis of pre-rRNA occurs in the (A) cytoplasm. (B) endoplasmic reticulum. (C) extranucleolar
• 36. Steroid hormones activate transcription by (A) binding to a nuclear receptor. (B) phosphorylatin
• 37. Transcriptionally inactive genes (A) are not located within nucleosomes. (B) often are methylate
• 38. What is the function of TFIIH in the transcription initiation complex? (A) binding to the TATA b
• 39. Protein X contains 7 transmembrane domains, with a short N-terminus and a long C-terminus. Follo
• 40. The first step in the secretory pathway that should be inhibited by a dominant-negative mutant o
• (1)在比較防曬品的效能時，下列哪一個是礦物油和氧化鋅功用的科學性陳述？ (A) 礦物油和氧化鋅皆是被試驗的因素。 (B) 礦物油是被試驗的因素，而氧化鋅是對照的物質。 (C) 礦物油是對照的物質，
• (2)下列哪一個問題是咪咪和狄恩嘗試回答的？ (A) 與其他的防曬品比較，每種防曬品的保護如何？ (B) 防曬品如何保護你皮膚免受紫外線輻射傷害？ (C) 有沒有任何防曬品提供比礦物油更少的保護？ (
• 9.下列關於主族元素及其化合物的敘述，何者正確？ (A)第14族元素(碳族)中，第一游離能最大者為鉛 (B)磷的同素異形體中的紅磷(赤磷)之毒性最強，所以用來製作 老鼠藥 (C)硼砂有殺菌和消毒的功效
• 10.下列哪一組化合物的實驗式，彼此是相同？ (A)CH3CH2OCH2CH3和CH3COCH2CH3 (B)C6H6和CH3CH2CH2CH2CH2CH3 (C)CH3COOH和HCOOCH3 (D
• 11.下列對於化合物的混成軌域、分子形狀與極性的敘述，何者正確？ (A)CO2分子中的C原子以sp混成軌域與O原子結合，分子形狀為角形(或稱彎曲形)，是極性分子 (B)C2H2分子中的C原子以sp2混
• 12.下列關於反應速率的敘述，何者正確？ (A)增加壓力會使氣體的反應速率變得很慢 (B)負催化劑(或稱抑制劑)會增加反應的活化能，使反應速率變慢 (C)當溫度增加，放熱反熱的速率會變慢 (D)在常溫
• 13.下列關於物質的敘述，何者正確？ (A)當氣壓增大時，水的沸點將下降 (B)在物質三態中，固體粒子間的距離比液體粒子間的距離大 (C)同一液體的蒸氣壓隨溫度升高而增大 (D)橡膠為結晶形固體
• 14.下列關於有機化合物的敘述，何者正確？ (A)乙炔的製備，可利用碳化鈣(電石)與水反應製得 (B)酮類的通式為R－CHO(R為烷基) (C)丙醇(C3H8O)有三個同分異構物 (D)苯和溴在溴化鐵
• 15.下列關於溶液的敘述，何者正確？ (A)高粱酒是膠體溶液 (B)進行人體靜脈注射，注射液的滲透壓需與血液的滲透壓相同 (C)在一大氣壓下，氧氣溶解在水中的量，會隨溫度上升而增加 (D)蔗糖水溶液可
• 16.在27℃下，一體積為8.2公升的密閉容器中，置有互不反應的4.0克氦氣、28.0克氮氣及40.0克氬氣，則下列關於這些氣體的敘述，何者正確？(氣體常數：R=0.082atm‧L\/mol‧K；
• 2. Which is incorrect about eukaryotic mRNA? (A) Transcribed by RNA polymerase II (B) Contain 5'
• 3. Which is incorrect about genomic imprinting? (A) Imprinting genes show mono-allelic, parent-speci
• 4.Which part of the ribosome is responsible for decoding? (A) LSU (B) SSU (C)mRNA (D) tRNA (E)SiRNA