medium · MCAT bio-biochem
Aspartic acid possesses three pK_a values: 2.1 (α-carboxyl), 3.9 (side-chain carboxyl), and 9.8 (α-amino).
What is the isoelectric point (pI) of aspartic acid?
- 5.95
- 6.85
- 3.0
- 3.9
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