Which of the following amino acids will exist as a -2 ion at very low pH?
A) asparagine
B) glutamic acid
C) isoleucine
D) none of these

Name: Which of the following amino acids will exist as a -2 ion at very low pH? A) asparagine B) glutamic acid C) isoleucine D) none of these
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Question

Quizplus · Accepted Answer

At very low pH, amino acids are fully protonated, meaning they carry positive charges rather than negative. Therefore, none of the amino acids will exist as a -2 ion at very low pH.

Which of the Following Amino Acids Will Exist as a -2