question_answer 39)

      The amino acid attaches to the tRNA at its (a) 5'-end                            (b) 3'-end                            (c) Anti codon site           (d) DHU loop

Answer:

                    (b) AA-binding site (amino acid binding site) lies at the 3'end opposite the anticodon and has CCA-OH group. It is the site where aminacid attaches to the tRNA.