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During translation of proteins, the aminoacyl tRNA arrives at ____________

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During translation of proteins, the aminoacyl tRNA arrives at ____________

(a) Ribosomal A site

(b) Ribosomal P site

(c) Ribosomal T site

(d) Ribosomal S site

I got this question during an online interview.

This is a very interesting question from Genes, Chromosomes and Genomes in chapter Bioenergetics, Enzymes, Metabolism, Genes, Chromosomes and Genomes of Cell Biology

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Correct option is (a) Ribosomal A site

Easy explanation: During translation, the aminoacyl tRNA carrying the desired amino acid approaches the A site on the ribosome. It then further moves to the P site and becomes peptidyl tRNA, which initiates the formation of a peptide bond between the amino acid and the growing peptide chain. The peptidyl tRNA leaves through the E site of ribosome.

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