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109年 - 109 國立宜蘭大學_碩士班招生考試_生物技術與動物科學系生物技術:生物化學#103070
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32. In eukaryotic replication, the RNA primers are degraded by:
(A) the 5’ to 3’ exonuclease activity of pol δ
(B) DNA ligase
(C) Helicase
(D) FEN-1 and RNase H1
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詳解 (共 1 筆)
木公診間裝潢中
B1 · 2024/06/08
#6124235
In eukaryotic replic...
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相關試題
33. The enzyme telomerase uses mechanisms that involve: (A) Repeating sequences at the telomeres. (B) Having RNA oligonucleotides to act as templates as part of the enzyme. (C) Allowing the end of the chromosome to get a little shorter each time a cell divides. (D) Both repeating sequences at the end of chromosomes and RNA oligonucleotides to act as templates as part of the enzyme.
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34. RNA synthesis begins at the base in the DNA sequence designated by the following number: (A) +1 (plus one) (B) 0 (zero) (C) -1 (minus one) (D) -10 region (minus ten) (E) It varies among genes.
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複選題35. The promoter site is (A) the start site for transcription in DNA (B) the binding site for regulatory proteins that stimulate transcription (C) the general region of DNA downstream from the start site (D) the site on DNA at which RNA polymerase binds to initiate transcription
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36. Which of the following is the best description of an operon? (A) An enhancer that positively regulates gene expression. (B) An silencer that negatively regulates gene expression. (C) A binding element for the sigma () factor. (D) A group of genes under the control of a common promoter.
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37. Which of the conditions would result in the greatest amount of transcription of the lac operon? (A) I (B) II (C) III (D) IV
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39. The sequences in eukaryotic DNA known as introns are (A) those included in the final sequence of messenger RNA (B) the intervening sequences not expressed in the final sequence of messenger RNA (C) the binding sites for DNA polymerase (D) the binding sites for RNA polymerase
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40. Which of the following is true about micro RNAs? (A) They are a type of non-coding RNA (B) They are a type of small interfering RNA (C) They have been found only in simple organisms like roundworms (D) All of these are true
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41. Which of the following codons does not code for an amino acid? (A) AUG (B) UAA (C) CAU (D) GUU (E) All of these code for an amino acid
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42. The initial step in the formation of an aminoacyl-tRNA is (A) esterification of the tRNA (B) activation of the amino acid by reaction with ATP (C) activation of the tRNA by reaction with ATP (D) interaction of the mRNA with the tRNA
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