試題詳解

50. The direction of amino acid transfer to the growing polypeptide chain is:
(A) from the A (aminoacyl tRNA site) site to the P (peptidyl tRNA site) site on the small subunit of the ribosome.
(B) from the A site to the P site on the large subunit of the ribosome.
(C) from the A site to the E (exit tRNA site) site on the ribosome.
(D) from the P site to the A site on the small subunit of the ribosomne.
(E) from the P site to the A site on the large subunit of the ribosome.