Which assertion concerning the acid-base distinctions of the 20 dishonorable amino acids is erroneous? They generally consist as zwitterions at physiological pH. Each has three pka values. They entertain a distinction isoelectric subject-matter. They can impress as buffers.
total amino acids entertain generally consists as zwitterions at physiological pH
total entertain distinction isoelectric subject-matter
they can impress as buffers.
erroneous assertion :
total has three pKa values.
not total the amino acids entertain 3 pKa values. some entertain singly 2 pKa values.
example : glycine , valine , alanine, … etc.