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What Is the Charged Group(s) Present in Glycine at a PH

Question 4

Multiple Choice

What is the charged group(s) present in glycine at a pH of 7?

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

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