Biochemistry
Biochemistry
9th Edition
ISBN: 9781319114671
Author: Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher: W. H. Freeman
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Did I do this right. The grey is the answer choices. 

[ Choose ]
+3
-1.5
+1
+2
-1
+1.5
-2.5
+0.5
+2.5
-0.5
V -2
-3
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Transcribed Image Text:[ Choose ] +3 -1.5 +1 +2 -1 +1.5 -2.5 +0.5 +2.5 -0.5 V -2 -3
Aspartic acid has a side chain bearing a carboxylic acid group; its pkg is ~4. The alpha-carboxylic and
alpha-amino groups have pk, values similar to those of alanine, ~ 2 and ~9, respectively. Determine
the net charge on an aspartic acid molecule at the following pH values (match each pH to the best
choice).
pH = 1
+1
pH = 2
+1
pH = 4
pH = 7
-1
pH = 9
-2
pH = 13
-2
>
>
>
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Transcribed Image Text:Aspartic acid has a side chain bearing a carboxylic acid group; its pkg is ~4. The alpha-carboxylic and alpha-amino groups have pk, values similar to those of alanine, ~ 2 and ~9, respectively. Determine the net charge on an aspartic acid molecule at the following pH values (match each pH to the best choice). pH = 1 +1 pH = 2 +1 pH = 4 pH = 7 -1 pH = 9 -2 pH = 13 -2 > > >
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