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研究所、轉學考(插大)◆基礎分子生物學
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103年 - 103 國立台灣大學_碩士班招生考試試題：基礎分子生物學#127979
> 試題詳解
19. Which element(s) are trans-acting?
(A) 1
(B) 2
(C) 3
(D) 4
(E) 5
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B1 · 2025/09/15
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1. 題目解析 本題目考查的是在大腸桿菌...
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15. Which mutant(s) would have a mutation in the repressor? (A) 1 (B) 2 (C) 3 (D) 4 (E) 5
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16. Which mutant(s) would have a mutation in the operator? (A) 1 (B) 2 (C) 3 (D) 4 (E) 5
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17. Which mutant(s) would have a mutation in the protein coding region? (A) 1 (B) 2 (C) 3 (D) 4 (E) 5
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18. Which element(s) are cis-acting? (A) 1 (B) 2 (C) 3 (D) 4 (E) 5
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20. Which element is the repressor? (A) 1 (B) 2 (C) 3 (D) 4 (E) 5
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複選題21. Which of the following statements about "Transcription" is/are TRUE? (A) Transcription factors function to help move ribosomes along the mRNA. (B) The release of pyrophosphate from a nucleoside triphosphate drives the reaction. (C) RNA is synthesized from the 5' end to the 3' end. (D) Transcription requires the use of a primer. (E) DNA to RNA base pairing includes A to U and G to C.
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22. In prokaryotic RNA synthesis (A) the rate of incorporation of nucleotides is constant throughout the elongation process (B) the p (rho) protein is always required for termination (C) a unique series of three bases leads to termination (D) inverted-repeat sequences in the DNA being transcribed can lead to termination (E) the sigma (6) subunit stays with the RNA Polmerase throughout synthesis.
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複選題23. Which of the following statements about "the genetic code" is/are TRUE? (A) Some codons do not specify an amino acid. (B) Some amino acids share the same codon. (C) The first two nucleotides of a codon are often enough to specify a given amino acid. (D) Nearly all organisms use the same genetic code. (E) The initiation codon specifies methionine.
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複選題24. Which of the following elements can function as "eukaryotic promoters"? (A) a TATA box. (B) an initiator element. (C) CpG islands. (D) an enhancer. (E) silencers.
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複選題25. Which of the following is/are category for the gene product for an Oncogene? (A) Glycolytic enzyme. (B) Transcription factor. (C) Housekeeping gene. (D) Nonreceptor protein kinase. (E) Growth factor receptor.
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