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Which of the following factors prevent reassociation of the 40S and 60S subunits when not bound to the mRNA?

Which of the following factors prevent reassociation of the 40S and 60S subunits when not bound to the mRNA? Correct Answer eIF3 and eIF6

While he factor eIF3 binds to the 40S subunit, the other factor eIF6 binds to the 60S subunit and prevent the association of ribosomal subunits when not bound to mRNA.

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The Proper sequence should be:
Which of the following proteins bind to the ribosome and causes the dissociation of the two ribosomal subunits from mRNA?