A polypeptide has a high pI value. Which of the following amino acids are likely to be present?

Name: A polypeptide has a high pI value. Which of the following amino acids are likely to be present?
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Question

Quizplus · Accepted Answer

A high pI (isoelectric point) value indicates that the polypeptide is likely to be basic, meaning it has a higher proportion of amino acids that are positively charged at physiological pH. Among the options, Arginine (E) is a basic amino acid, which contributes to a higher pI value.

A Polypeptide Has a High PI Value