ZoologyNEET 2025Transcription, genetic code, translation

Molecular Basis of Inheritance

Which factor is important for the termination of transcription?

A. $α ($ alpha)
B. $σ ($ sigma)
C. $ρ ($ rho)✓
D. $γ ($ gamma)

Solution

In prokaryotes the rho $(ρ)$ factor binds the growing RNA and terminates transcription; the sigma $(σ)$ factor is needed for initiation.

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