What two functional groups are present in every amino acid?

0 votes

 

  

an amino group and a hydroxyl group

  

an amino group and a sulfhydryl group

  

an amino group and a carboxyl group

  

a hydroxyl group and a carboxyl group

 

asked Dec 25, 2012 in Biology by anonymous
    

1 Answer

0 votes

 

an amino group and a carboxyl group

 

answered Dec 25, 2012 by anonymous

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