Page 99 - Medicinal Plants_PharmD general

4. tRNA molecule picks up a specific amino acid by its C-C-A end
(according to its anticodon) after the amino acid has been activated by
ATP in the presence of a specific enzyme as shown in figure.

Figure 32. Activation of amino acid
5. tRNA-amino acid complex attach to the ribosome and is placed

opposite the specific codon on mRNA molecule due to the presence of
its complementary anticodon in tRNA molecule.
6. Elongation of the polypeptide chain takes place. The ribosome and the
mRNA move relative to each other. When the ribosome reaches a
second codon, another specific tRNA-amino acid complex is attached
to the ribosome so that its anticodon is placed opposite its
complementary codon.

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