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Multiple Choice
Which of the following are the tRNA binding sites on ribosomes?
A
A site, B site, and C site
B
E site, F site, and G site
C
P site, Q site, and R site
D
A site, P site, and E site
Verified step by step guidance
1
Understand the role of ribosomes in protein synthesis. Ribosomes facilitate the translation of mRNA into a polypeptide chain by providing a platform for tRNA binding.
Learn about tRNA and its function. tRNA molecules carry amino acids to the ribosome and match their anticodon with the codon on the mRNA strand.
Identify the three main tRNA binding sites on the ribosome: the A site (Aminoacyl site), the P site (Peptidyl site), and the E site (Exit site).
The A site is where the incoming tRNA carrying an amino acid binds to the ribosome. The P site holds the tRNA carrying the growing polypeptide chain. The E site is where the tRNA exits the ribosome after its amino acid has been added to the chain.
Review the options given in the problem and match them with the correct tRNA binding sites: A site, P site, and E site.