Which of the following pairs of amino acid R groups would be capable of forming an ionic bond at pH 7.0: Note: PK' for R group of: Asp=3.9; Glu=4.3; His=6.0; Arg=12.5

+2 votes

Glu and His

Glu and Arg

Glu and Asp

His and Arg
   

 

asked Jan 21, 2014 in Biology by anonymous
edited Jan 21, 2014 by GeneX
    

1 Answer

0 votes
 
Glu and Arg

 

answered Jan 21, 2014 by GeneX ~Top Expert~ (7,947 points)

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