medium · MCAT bio-biochem
Calculate the isoelectric point (pI) of the amino acid Lysine, given the following pK_a values: pK_a1 (carboxyl) = 2.1, pK_a2 (amino) = 9.1, and pK_aR (side chain) = 10.5.
- 9.8
- 5.6
- 6.3
- 7.0
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