2M03 Quiz 2
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Questions and Answers

RNA interference (RNAi) is produced when a ________shares the same sequence as the target mRNA

  • single-stranded RNA
  • double-stranded DNA
  • double-stranded RNA (correct)
  • single-stranded RNA

Which of the following step(s) is the processing of eukaryotic mRNA?

  • RNA transcripts become associated with ribonucleoproteins as they are synthesized.
  • 5' methylguanosine cap and 3' poly(A) tails are added.
  • Intervening sequences are removed and exons are connected by RNA splicing
  • All of the above (correct)

The splicing of pre-mRNA requires________.

  • small nucleolar RNAs (snoRNAs)
  • small nuclear RNAs (snRNAs) (correct)
  • small interfering RNAs (siRNAs)
  • All of the above

Which of the following is the property of Genetic Code for amino acids?

<p>Some of the amino acids are specified by more than one Genetic Code. (B)</p> Signup and view all the answers

RNA polymerase II is assisted by ______to form the preinitiation complex (PIC).

<p>general transcription factors (GTFs) (C)</p> Signup and view all the answers

Heterogenous nuclear RNAs

<p>are degraded after a very short time (C)</p> Signup and view all the answers

________ is where the RNA polymerase binds prior to initiating transcription.

<p>promoter (B)</p> Signup and view all the answers

What is the enzymatic activity of RNA polymerase ?

<p>both A and B (C)</p> Signup and view all the answers

Which of the following is correct about large rRNA transcription?

<p>All of the above (D)</p> Signup and view all the answers

Which of the following is correct about 5S rRNA transcription?

<p>5S rRNA transcription uses an internal promoter (C)</p> Signup and view all the answers

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