7. 1 Introduction 7.2 Codon-anticodon recognition involves wobbling 7. 3 tRNA contains modified bases that influence its pairing properties 7. There are sporadic alterations of the universal code) 7.5 tRNAS are charged with amino acids by synthetases 7.6 Accuracy depends on proofreading 7.7 Suppressor tRNAs have mutated anticodons that read new codons 7. 8 The accuracy of translation 7.9 tRNA may influence the reading frame 消当7.1 Introduction 7.2 Codon-anticodon recognition involves wobbling 7.3 tRNA contains modified bases that influence its pairing properties 7.4 (There are sporadic alterations of the universal code) 7.5 tRNAs are charged with amino acids by synthetases 7.6 Accuracy depends on proofreading 7.7 Suppressor tRNAs have mutated anticodons that read new codons 7.8 The accuracy of translation 7.9 tRNA may influence the reading frame