602 



METABOLISM 



Acid Amino Acidt 

 Two acid COOH groups 

 to one NH, group. Re- 

 semble acetic acid in 

 acidity. 





ing Py 

 ings 



<uio Amino Acid* 

 ore basic groups to one acid 



ill 



T B| ' ' 



3 



A 



- - 

 S 



.s 



I 5 



5, 



f^ B rf 



Two 



The 



M . 



Q S5 S" 



i 



u 



