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Virology (RNA Viruses) Quiz on CAP & IRES Translation, created by gina_evans0312 on 14/04/2014.

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CAP & IRES Translation

CAP & IRES Translation

Question 1 of 6

1

What makes up the 5' cap on mRNA?

Select one of the following:

  • CH3-G-PPP-

  • CH3-A-P

  • CH3-T-PP

Explanation

Question 2 of 6

1

What is the role of the Cap and the PolyA tale?

Select one of the following:

  • Attract an RNA subunit of the ribosomes to initiate translation

  • Attract miRNAs that cut up unwanted mRNA

  • Attract RNAses that cut up unwanted mRNA

Explanation

Question 3 of 6

1

IRES stands for Internal Ribosome Entry Site

Select one of the following:

  • True
  • False

Explanation

Question 4 of 6

1

In IRES Translation, how do the highly organised secondary structures form?

Select one of the following:

  • From the long UTRs with multiple AUG regions

  • From the long UTRs with multiple AGA regions

  • From the long UTRs with multiple UGC regions

Explanation

Question 5 of 6

1

What is the role of proteases in IRES dependent translation?

Select one of the following:

  • Cleave the CAP to prevent the other pathway

  • Cleave miRNAs that will break down viral RNA

Explanation

Question 6 of 6

1

The ribosome in IRES is attracted by the breakdown of the secondary structures

Select one of the following:

  • True
  • False

Explanation

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