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Multiple choice question on Translation and EPA sites -help please?
The question is :
During a normal translation cycle, Where would you expect to find t-RNA attached to a single amino acid ?
options :
1. E site
2.P site
3. A site
4. both E and P sites
5. both A and P sites
I say 3 , but I'm not sure since you can find a single amino acid in P site too
2 Answers
- hcbiochemLv 71 year ago
The three sites are the A site where an aminoacyl-tRNA binds, the P site where the peptide linked to the tRNA is found and the E site, from which an uncharged tRNA is ejected.
During the initiation part of translation, a tRNA with a single amino acid will be found within both the P and the A sites. During the bulk of translation, a tRNA with a single amino acid (the aminoacyl-tRNA) is found in the A site.
