At the second midpoint of a diprotic amino acid, it will be a) In equal proportions with its conjugate base after the first ionization. b) In unequal proportions with its conjugate base. c) Completely protonated. d) Completely deprotonated.

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Chapter19: Proteins
Section: Chapter Questions
Problem 19.3E: Identify the R group of the side chain in the following amino acids that results in the side-chain...
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At the second midpoint of a diprotic amino acid, it will be
a) In equal proportions with its conjugate base after the first ionization.
b) In unequal proportions with its conjugate base.
c) Completely protonated.
d) Completely deprotonated.
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