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  • DNA and Genetic Code
  • Sigma factor is associated with _________.
Multiple choice

Sigma factor is associated with _________.

  1. RNA polymerase

  2. RNA ligase

  3. DNA polymerase

  4. DNA ligase

  5. DNA methylase

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A Correct answer
Explanation

A sigma factor (σ factor) is a protein needed only for initiation of RNA synthesis. It is associated with RNA polymerase enzyme.

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