If the pI of a peptide is 4.6, ____ might be present while ____ would probably be absent.

Name: If the pI of a peptide is 4.6, ____ might be present while ____ would probably be absent.
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Question

Quizplus · Accepted Answer

The pI (isoelectric point) of a peptide is the pH at which the peptide carries no net charge. A pI of 4.6 is acidic, suggesting the presence of acidic amino acids like Glutamic acid (Glu) and the absence of basic amino acids like Lysine (Lys), which would increase the pI.

If the PI of a Peptide Is 4