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STD 12 - 5. molecular basis of inheritance — BIOLOGY STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 5. molecular basis of inheritance1 Mark
MCQ
What function is performed by sigma factor and rho factor in the process of transcription
  • ✓
    Of initiation and termination
  • B
    Of initiation and elongation
  • C
    Of charging $tRNA$ and elongation
  • D
    None of the above
✓

Answer

Correct option: A.
Of initiation and termination
a
(a) Sigma $(s)$ factor recognises the start signal or promoter region of $DNA$. $Rho\ (r)$ or termination factor is required for termination of transcription.

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