Arrange the following events in the correct order during the movement of tRNAs through the ribosomal sites:
1) tRNA exits via the E site.
2) tRNA delivers an amino acid to the A site.
3) Polypeptide chain is transferred to the tRNA at the P site.

• A. 3, 2, 1
• B. 2, 1, 3
• C. 2, 3, 1
• D. 1, 2, 3

Answer: (C)