Fig. 2 tRNA structure.

Fig. 3 Folded tRNA.

Fig. 4 Addition of amino acid to 3' end of tRNA via tRNA synthetase.

Fig. 5 Recognition of initiation site on mRNA by interaction with 3' end of 16S RNA at Shine-Dalgarno site.

Fig. 6 Triplet codons for amino acids and the tRNA recognition alternatives due to third base codon wobble.

Fig. 7 Nonsense suppressor codons.