At a PH of 12, What Is the Charged Group(s)

question 42

Multiple Choice

At a pH of 12, what is the charged group(s) present in glycine?

• A) -NH₃⁺
• B) -COO^-
• C) -NH₂⁺
• D) -NH₃⁺ and -COO^-
• E) All the charged groups are present.

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