For Each of the Following Statements, Indicate with a P $\alpha$

question 19

Essay

For each of the following statements, indicate with a P if the statement applies only to prokaryotes, an E if the statement applies only to eukaryotes, and an E and P if the statement applies to both eukaryotes and prokaryotes.
___ RNA synthesis is blocked by actinomycin D.
___ A single RNA polymerase transcribes genes that encode mRNAs, tRNAs, and rRNA.
___ Transcription of mRNA is blocked by $\alpha$ -amanitin.
___ Sigma ( $\sigma$ ) subunit detaches from RNA polymerase shortly after transcription has initiated.
___ The 5' end of the mature mRNA begins with a triphosphate.
___ The primary mRNA transcript is inactive.
___ Termination of transcription requires the protein $\rho$ factor.

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