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研究所、轉學考(插大)◆分子生物學
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100年 - [無官方正解]100 國立清華大學_碩士班入學考試試題_生命科學院甲組、醫學生物科技學程﹕分子生物學#128884
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39. What is a CpG island? Why have CpG sequences tended to disappear from the human genome?
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35. Draw diagrams of the lac operon that illustrate (and also include the explanation) negative control and positive control of this operon. (8 points)
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36. Use a diagram and explain the result of a DNase footprinting experiment that shows that A repressor dimers bind cooperatively to two operators separated by an integral number of DNA double-helical turns, but noncooperatively to two operators separated by a nonintegral number of turns.
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37. You are asked to use S1 mapping to locate the 5’-end of a given RNA transcript in cells at a given time. What does S1 mean? (2 points) Please describe how S1 mapping work (5 points)
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38. Please explain what an insulator is? Also, describe and explain two possible models how multiple insulators act?
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1. How does phage maintain in the prophage state?
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2. Please describe the mechanism of strand-directed mismatch repair in prokaryotes.
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3. Approximately 90% of human cancer cells exhibit significant levels of telomerase. Does this mean that telomerase is an oncogene? Explain.
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4. Define "CDK"
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5. Define "Astrocyte"
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Part IV. Translation-20% Please translate the followings from Chinese to English and English to ChineseA.There is no greater agony than bearing an untold story inside you.B. 人工智慧這樣的科技對人類可能有正面與負面的衝擊。
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