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The Side-Chains of Amino Acids Have

Question 4

Multiple Choice

The side-chains of amino acids have


A) a positive charge in every situation.
B) pKas that assure the solubility of every protein.
C) constant pKas no matter what aqueous environment they are found in.
D) different pKas in peptides as compared to the free amino acids
E) polar functional groups.

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