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

Question

Quizplus · Accepted Answer

A protein will have a net positive charge when the pH of the environment is below its isoelectric point. At the isoelectric point, a protein will have no net charge and above the isoelectric point, it will have a net negative charge.

When Will a Protein Have a Net Positive Charge