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Home Microbiology Transcription Comments

  • Question
  • The components found in all prokaryotic transcription terminators is


  • Options
  • A. a poly-U region
  • B. Rho factor
  • C. a hairpin structure
  • D. none of these

  • Correct Answer
  • a hairpin structure 


  • Transcription problems


    Search Results


    • 1. Which of the following component of RNA polymerase facilitates the recognition of promoter sequences?

    • Options
    • A. a subunit
    • B. b subunit
    • C. s subunit
    • D. c subunit
    • Discuss
    • 2. Recognition/binding site of RNA polymerase is called

    • Options
    • A. receptor
    • B. promoter
    • C. facilitator
    • D. terminator
    • Discuss
    • 3. Which eukaryotic RNA polymerase makes tRNA's?

    • Options
    • A. RNA polymerase 1
    • B. RNA polymerase 2
    • C. RNA polymerase 3
    • D. Any of these
    • Discuss
    • 4. Which of the following enzyme(s) is/are required for lactose fermentation?

    • Options
    • A. Transacetylase
    • B. ?-galactosidase
    • C. Galactoside permease
    • D. All of these
    • Discuss
    • 5. RNA that is complementary to a segment of another RNA molecule to which it will bind is known as

    • Options
    • A. missense RNA
    • B. antisense RNA
    • C. nonsense RNA
    • D. none of these
    • Discuss
    • 6. Which of the following proteins first binds to TATA box during transcription?

    • Options
    • A. TF II A
    • B. TF II D
    • C. TF II B
    • D. RNA polymerase
    • Discuss
    • 7. Which of the following enzyme is used for synthesis of RNA under the direction of DNA?

    • Options
    • A. RNA polymerase
    • B. DNA ligase
    • C. DNA polymerase
    • D. RNA ligase
    • Discuss
    • 8. An mRNA transcript of a gene contains

    • Options
    • A. a start codon
    • B. a stop codon
    • C. a terminator
    • D. all of these
    • Discuss
    • 9. Which of the following is a product of transcription?

    • Options
    • A. mRNA
    • B. tRNA
    • C. rRNA
    • D. all of these
    • Discuss
    • 10. A level of regulation, demonstrated by the termination of transcription if tryptophan is abundant, by the tryptophan operon in E.coli cells is called

    • Options
    • A. activation
    • B. attenuation
    • C. corepression
    • D. desiccation
    • Discuss


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