CAP & IRES Translation

Description

Virology (RNA Viruses) Quiz on CAP & IRES Translation, created by gina_evans0312 on 14/04/2014.
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Quiz by gina_evans0312, updated more than 1 year ago
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Created by gina_evans0312 about 10 years ago
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Resource summary

Question 1

Question
What makes up the 5' cap on mRNA?
Answer
  • CH3-G-PPP-
  • CH3-A-P
  • CH3-T-PP

Question 2

Question
What is the role of the Cap and the PolyA tale?
Answer
  • Attract an RNA subunit of the ribosomes to initiate translation
  • Attract miRNAs that cut up unwanted mRNA
  • Attract RNAses that cut up unwanted mRNA

Question 3

Question
IRES stands for Internal Ribosome Entry Site
Answer
  • True
  • False

Question 4

Question
In IRES Translation, how do the highly organised secondary structures form?
Answer
  • From the long UTRs with multiple AUG regions
  • From the long UTRs with multiple AGA regions
  • From the long UTRs with multiple UGC regions

Question 5

Question
What is the role of proteases in IRES dependent translation?
Answer
  • Cleave the CAP to prevent the other pathway
  • Cleave miRNAs that will break down viral RNA

Question 6

Question
The ribosome in IRES is attracted by the breakdown of the secondary structures
Answer
  • True
  • False
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