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Which proteins perform the function of preventing reassociation of ribosomal subunits, when they finish one translation, in eukaryotes?

(a) eIF1 and eIF3

(b) eIF3 and eIF6

(c) eIF2 and eIF4

(d) eIF3 and eIF5

This question was addressed to me by my college professor while I was bunking the class.

This interesting question is from Initiation topic in portion Gene Expression : Translation of Cytogenetics

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Correct answer is (b) eIF3 and eIF6

Easy explanation: eIF1 is a multi protein complex with eight subunits; this along with eIF6 prevents the reassociation of the subunits of ribosome after translation of one protein is complete.

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