When will a protein have a net negative charge?
A) always
B) never
C) when the pH is above its isoelectric point
D) when the pH is below its isoelectric point

Name: When will a protein have a net negative charge? A) always B) never C) when the pH is above its isoelectric point D) when the pH is below its isoelectric point
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Question

Quizplus · Accepted Answer

A protein will have a net negative charge when the pH is above its isoelectric point because the deprotonation of acidic groups exceeds the protonation of basic groups.

When Will a Protein Have a Net Negative Charge