The sigma factor protein's role in transcription in E. coli includes which of the following?     None of the answer options are correct.     plays a role in transcription termination     forms part of the core enzyme required for transcription initiation     helps the siRNA to bind to the promoter     All of the answer options are correct.     contributes to the proof-reading activity of RNA polymerase   And The role of tRNA is to     serve as an intermediate in the decoding of genes.     serve as general translational components of the ribosome.     facilitate protein trafficking in protein secretion.     facilitate splicing of pre-messenger RNAs.     act as vehicles bringing amino acids to the site of protein synthesis.     None of the answer choices are correct.

Biology 2e
2nd Edition
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark
Chapter16: Gene Expression
Section: Chapter Questions
Problem 18RQ: IS. Alternative splicing has been estimated to occur in more than 95% of multi-exon genes. Which of...
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The sigma factor protein's role in transcription in E. coli includes which of the following?

   

None of the answer options are correct.

   

plays a role in transcription termination

   

forms part of the core enzyme required for transcription initiation

   

helps the siRNA to bind to the promoter

   

All of the answer options are correct.

   

contributes to the proof-reading activity of RNA polymerase

 

And The role of tRNA is to

   

serve as an intermediate in the decoding of genes.

   

serve as general translational components of the ribosome.

   

facilitate protein trafficking in protein secretion.

   

facilitate splicing of pre-messenger RNAs.

   

act as vehicles bringing amino acids to the site of protein synthesis.

   

None of the answer choices are correct.

 

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