The isomer of alanine shown below is one of the 20 naturally occurring amino acids that are used to make proteins.Amino acids like alanine exist at neutral acidity (pH = 7)in the following form: 
What would be the structure of alanine if HCl(aq)was added to lower the pH = 1? What would be the structure of alanine if NaOH(aq)was added until the pH = 12?
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