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6. Pre initiation complex

  • 43S
  • 48S
  • 80S
  • 40S

7. eIF1A and eIF1 are essential for cap mediated translation

  • true
  • false

8. Elongation rate

  • 330 codons/min
  • 540 codons /min
  • 430 codons/ min

9. total

  • 70S
  • 80S
  • 90S

10. Footprint of scanning ribosome

  • 9nt
  • 20nt
  • 75nt
  • 85nt

11. large subunit

  • 60S
  • 50S
  • 80S
  • 48S

12. What does eIF1A N terminal do

  • arrests scanning and promote eIF1 release at AUG codons
  • promotes scanning at non-AUG codons

13. what does eIF1 do

  • ensures correct initiation codon selection
  • enhances formation of cap proximal complex

14. What does eIF1A C terminal do

  • promotes scanning at non-AUG codons
  • arrests scanning and promote eIF1 release at AUG codons