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20. All of the following can be found in chromatin except (A) DNA. (B) histones. (C) RNA. (D) transc
問題詳情
20. All of the following can be found in chromatin except
(A) DNA.
(B) histones.
(C) RNA.
(D) transcription factors.
參考答案
答案:99
統計:A:0,B:0,C:0,D:0,E:0
難度:計算中
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19. Open reading frame (ORF) analysis is not effective in identifying genes in higher eukaryotes bec
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21. Telomeres (A) consist of repetitive sequences with high G content. (B) are a few hundred base-pa
資訊推薦
22. Which of the following sequential order for the secretory pathway is false? (A)Rough endoplasmic
23. Most eukaryotic genes are controlled at the level of (A) transcription initiation. (B) transcrip
24. An enhancer (A)is a protein that binds to RNA polymerase and stimulates transcription. (B) inter
25. Which of the following sequences functions as a promoter for transctiption? (A) TATA box. (B) in
26. Which of the following statements regarding RNA splicing is correct? (A) initiation of transcrip
27. Which of following events does not occur within the nucleus? (A) protein phosphorylation (B) RNA
28. Which of the following is not used in the electrophoretic mobility shift assay (EMSA)? (A) a rad
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
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