Answer to Question #325054 in Biochemistry for Anna

Question #325054

If pH>pl what’s the charge of

amino acid


1
Expert's answer
2022-04-07T16:25:02-0400

When pH is greater than pI, there is an excess amount of OH- in solution. The excess of OH-

 is attracted to the positively charged amine group resulting in the removal of an H+ .The amine group has a neutral charge leaving only a negative charge on the carboxylate group. Overall, the amino acid will have a charge of −1


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