B1.2 - additional notes
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Last updated 11:48 AM on 1/31/26
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4 Terms
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define a zwitterion
A molecule that has both positive and negative charges but no net charge
ex. amino acids at a netural pH
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Why do amino acids exist as a zwitterion in neutral solutions (~pH7), and how is this impactful on a physiological level?
The carboxyl group is deprotonated (-COO⁻)
The amine group is protonated (-NH₃⁺)
→ dissolves easily in water
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hi
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hi
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