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During translation elongation, preloaded tRNA enters one of the sites of the ribosome. Which site is this?
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Answer #1

Option c. During elongation preloaded tRNA enters the ribosome A site.

Ribosome has 3 binding sites- A, P and E (Therefore, ruling out option 2). At A site, the incoming preloaded tRNA (amino-acyl tRNA) enters and binds with the codon of the ribosome. The tRNA carrying the growing polypeptide chain is then translocated to the P site , whereas the E site carries the empty tRNA before it leaves the ribosome.

Therefore the correct option is C.

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