第五章单元测试
  1. In the transcription, (    ) may also be called the template strand.


  2. A:antisense strand B:single strand C:double strand D:sense strand
    答案:antisense strand
  3. 判断:In prokaryotes, transcription and translation are dynamically coupled, as the latter starts before the former is complete.( )


  4. A:错 B:对
  5. Following successful transcription initiation, the (     ) subunit of E. coli RNA polymerase is released to form a ternary complex (three components) of polymerase-DNA-nascent RNA, which is responsible for RNA chain elongation.


  6. A:σ B:β’ C:β D:α
  7. 判断:No primer is needed for RNA synthesis.( )


  8. A:错 B:对
  9. Some genes contain terminator sequences which require an additional protein factor, (    ), for efficient transcription termination.


  10. A:α B:β C:σ D:ρ

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