# Chapter 24 - The Chemistry of Life - Standardized Test Prep - Page 873: 10

The carboxylic acid group can donate a proton to the amino group to form H$_{3}$N$^{+}$CH$_{2}$COO$^{-}$.

#### Work Step by Step

The carboxylic acid group can donate a proton to the amino group to form H$_{3}$N$^{+}$CH$_{2}$COO$^{-}$.

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