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PHYSIOLOGICAL CHEMISTRY 



C. Diamino-monocarboxylic acids 



NH 2 NH 2 



13. Lysine | 



CH 2 CH 2 CHCH 2 CH COOH 



/NH 2 



14. Argmine C = NH 



\NH CH 2 CH 2 CH 2 CHNH 2 COOH 



D. Cyclic compounds. 



H 

 C 

 HC/ \C CH,CHNH 2 COOH 



15. Phenylalanine 



C H 

 H 



H 



C 



16. Tyrosine 



HC/ \C CH 2 CHNH 2 COOH 



C H 

 H 



H 

 C 



17. Tryptophane 



HC/ \C C CH 2 CHNH 2 COOH 



HC\/C\/C 

 C N H 

 H H 



H 



C N 



\ 



CH 



18. Histidine 



/ 



C N 

 I H 

 CH 2 



CHNH. 

 COOH 



