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• 2. Which of the following is true about tryptophan operon?(A)Tetramer of identical subunits(B)The RN
• 3. The catalytic activity of the ribosome is located in the(A)Proteins(B)50S ribosomal rRNA(C) 30S r
• 4. You wanted to study the assembly of preinitiation complex in cukaryotes. This is by the means of
• 5. For performing EMSA what type of gel should be used?(A)Native(B)Denaturing SDS-PAGE(C) Non-denatu
• 6. Which of the following is untrue?(A)RNA polymerases I is responsible for the transcription of rib
• 7. The most commonly observed modification in the histone includes__________(A)Acetylation of lysine
• 8. Which of the following about the differences between the prokaryotic and eukaryotic genes are tru
• 【題組】58. 地方政府在宣傳下列哪項特產時，會標榜與照片中的特殊風有關？(A)洋蔥 (B)蓮霧 (C)黑鮪魚 (D)櫻花蝦
• 9. Which of the following is not a stop codon? (A)UAA(B)GUG(C)UAG(D)UGA
• 59-60 題為題組◎ 根據科學調查，桃園藻礁的形成已超過七千年以上，其主要是由「殼狀珊瑚藻」附著在海岸的大片礫石灘上，逐漸鈣化累積而成。加以當地的漂砂與水溫狀況不利珊瑚礁發育，才能建造成形成大面積的
• 10. If give a segment - S'CTGACCAUGGCCTAGAUGCCTCT, which AUG will the eukaryotic ribosome choos
• 11. Expression of T7 promoter- lac operator hybrid requires__________(A)T7 RNA polymerase(B)An induc
• 12. The E site of the ribosome has a high affinity for__________(A)Peptide bound tRNA(B)Ester linked
• 13. Histones are__________(A)Neutral(B)Positively charged(C) Negatively charged(D)Neutral with posit
• 14. Which of the following is not a common mode of histone modification in eukaryotes?(A)Methylation
• 15. The lactose repressor is encoded by__________(A)Lac-l(B)Lac-A(C) Lac-Y(D)Lac-Z
• 16.Which of the following can be extended by DNA polymerase?(A)a single strand DNA end in a deoxyrib
• 17. DNA Pol I is proteolytically cleaved to yield the__________ , which lacks 5'-3' exonuc
• 18.What is the causative agent in the formation of a cyclobutane thymine dimer?(A)benzo[a]pyrene(B)N
• 19.Which of the following is formed by oxidation of a DNA base?(A)uracil(B) 7-methylguanine(C) 8-oxo
• 20.What is an Okazaki fragment?(A)a small sectio on of DNA bound to the leading strand(B)a small sec
• 21. In DNA synthesis, the____________strand is synthesized in a fashion.(A) template; discontinuous(
• 22. Replication of DNA in E.coli occurs in what type of fashion?(A)directionality can change dependi
• 23.Which histone protein is associated with the linker DNA and therefore not actually part ofthe nuc
• 24. Which of the following statements about DNA methylation is NOT TRUE?(A)methylation plays a role