資訊推薦

• 6. In order to identify the coding regions of a genome, name functional annotation, thefollowing met
• 7. The initiation of a gene transcription can be achieved by(A) removing the activator； (B) removing
• 8. Gene conversion may occur when(A) the cell fails to detect small deletion on the chromosomes.(B)
• 9. The following genomic features have been used as genetic markers to map disease causing(A) single
• 10. Which of the following is not necessary for retroviral insertion into the host genome?(A) RNA po
• 11. The following features may contribute to the yield of several products from a single gene,except
• 12. Which of the following protein domains is involved in the regulation of genes influencingsegment
• 13. Which of the following proteins interacts DNA directly in a sequence-specific manner?(A) Histone
• 14. The regulation of gene expression in time and tissue-specific manner may be achieved by thefollo
• 15. What are the following mechanisms contributing the differential gene expression in twodaughter c
• 16.Which of the following enzymes mediate the homologous recombination in bacteria?(A) RecA (B) RuvC
• 17. The provirus DNA of HIV retrovirus can be found in the_________.(A) mitochondria (B) host cell c
• 18. Which of the following sequences is a possible site where DNA-only transposon left thechromosome
• 19. The both ends of a linear chromosome are organized into independent ________structure.(A) Rollin
• 20. The enzyme ________performs the charging of amino acid to its cognate tRNAs.(A) aminoacyl-transf
• 21. During initiation of translation, ribosome small subunit carry________-tRNA in its P-site.(A) se
• 22. The amino acid________ is not found in polypeptides of eukaryotic cells.(A) fMet (B) Cys(C) Phe
• 23. The Kozak sequence in the mRNA is recognized by the ________for translation.(A) elF4G (B) IF2 (C
• 24. During heme starvation, the initiation factor elF2a is________ to repress translation.(A) methyl
• 25. The wobble position of the codon ACG is________.(A) A (B)C (C) G (D) AC
• 26. Puromycin is an antibiotic targeting________.(A) DNA replication (B) transcription (C) translati
• 27. The immediate early genes ofλ phage include________.(A) CRO (B) O (C) P (D) QR
• 28. During anti-termination of λ phage, the nut site is bound by________. (A) NusG (B) NusA  (C) CRO
• 29. The transcription factor functions as a transcriptional activator in lac operon.(A) CRO (B) CAP-
• 30. The best resolution between DNAs of 3kb and 5kb in electrophoresis will be on__________gel.(A) 3