資訊推薦

• 5. Which activity of DNA polymerase I is also called \"proofreading\" activity? (A) 5�
• 6. Which subunit of DNA polymerase III increases its processivity?(A) α subunit (B)γ complex(C)ε sub
• 7. During DNA Replication, a short segment of RNA must form before DNA synthesis can begin. This is
• 8. Amino acids are the building blocks of: (A) DNA and RNA (B) lipids (C) proteins(D) carbobydrates
• 9. Which description is false? (A) X-rays are hazardous because they cause DNA double-strand breaks,
• 10. Which of the following molecules is involved in DNA nucleotide excision repair? (A) RecBCD (B) M
• 11. Which of the following molecules is involved in DNA mismatch repair? (A) RecBCD (B) MutH (C) Uvr
• 12. Which of the following molecules is involved in non-homologous end-joining? (A) RecBCD (B) Ku70
• 13. If a species contains 32% adenine ( A ) in its DNA, what percentage of guanine (G) would it also
• 14. Which of the following is not in the pre-replicative complexes (pre-RCs)? (A) ORC (B) Rad51 (C)
• 15. The unique enzyme that retrotransposons encode and does not exist in human cells is (A) DNA poly
• 16. Which of the following subunit does not belong to the core enzyme of prokaryotic RNA polymerase?
• 17.5S rRNA is transcribed by: (A) Reverse transcriptase (B) RNA polymerase III (C) RNA polymerase II
• 18. Following the previous question, miRNA(micro RNA) is transcribed by? (A) RNA polymerase I (B) RN
• 19. Which structure is classified as the transactivation domain of an activator? (A) Glutamine-rich
• 20. The complex that first binds to the promoter in transcription initiation step is: (A) TFIIA (B)
• 21. For Kozak sequence, which positions and the corresponding bases are important for the translatio
• 22. The shape of final product in the trans-splicing is? (A) Iariat (B) linear (C) circular (D) Y~sh
• 23. During the maturation tRNA, the enzyme that is responsible for the 5' end processing is: (A
• 24, In precursor mRNA splicing, U6 snRNA can pair with two snRNAs and the intron site. These two snR
• 25. In the infection of E. coli by N phage, which description for the binding ability of cro is corr
• 26. The ribosome-binding site (RBS) in mRNA is named as? (A) TATA box sequence (B) Kozak sequence (C
• 27. The scissor in the RISC complex for cutting mRNA is: (A) Argonaute (B) Drosha (C) DGCR8\/ Pasha
• 28. The kinase to phosphorylate the CTD domain of RNA polymerase in the transcriptional initiation s
• 29. Which enzyme is involved in RNA editing? (A) terminal uridylyI transferase (TUTase) (C) RNA trip