Topic: Transcription, genetic code, translation, protein biosynthesis· Genetics and Evolution

Which is the "Only enzyme" that has "Capability" to catalyse Initiation, Elongation and Termination in the process of transcription in prokaryotes ?

1. DNA dependent DNA polymerase

2. DNA dependent RNA polymerase

3. DNA Ligase

4. DNase

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Answer: 2. DNA dependent RNA polymerase

In prokaryotes a single DNA-dependent RNA polymerase catalyses initiation (with sigma factor), elongation and termination (with rho factor) of transcription. DNA polymerase makes DNA, ligase joins DNA fragments, and DNase degrades DNA.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report

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Which is the "Only enzyme" that has "Capability" to catalyse Initiation, Elongation and Termination in the process of transcription in prokaryotes ?

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