In bacteria, the core enzyme of the RNA polymerase is made up of:- sigma factor- holoenzyme- RNA- DNA- five subunits
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Step 1: The core enzyme of RNA polymerase in bacteria is made up of five subunits. Show more…
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What is the function of the sigma subunit (factor) of E. coli RNA polymerase in transcription? - addition of a 5' cap - formation of phosphodiester bonds using ribonucleotide triphosphates - recognition of termination nucleotide sequence - recognition of initiation sites or promoters - DNA degradation necessary for the initiation step
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RNA grows in the direction as RNA polymerase moves along the template DNA strand in the direction. (a) $5^{\prime} \longrightarrow 3^{\prime} ; 3^{\prime} \longrightarrow 5^{\prime}$ (b) $3^{\prime} \longrightarrow 5^{\prime} ; 3^{\prime} \longrightarrow 5^{\prime}$ (c) $5^{\prime} \longrightarrow 3^{\prime} ; 5^{\prime} \longrightarrow 3$ (d) $3^{\prime} \longrightarrow 3^{\prime} ; 5^{\prime} \longrightarrow 5^{\prime}$ (e) $5^{\prime} \longrightarrow 5^{\prime} ; 3^{\prime} \longrightarrow 3^{\prime}$
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