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~ (7,933 points)

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