In isoelectric focusing,
A) positively charged proteins migrate toward the cathode.
B) positively charged proteins migrate toward the anode.
C) small proteins migrate the fastest.
D) large proteins migrate the fastest.

Question

Quizplus · Accepted Answer

In isoelectric focusing, proteins migrate in a pH gradient until they reach their isoelectric point (pI), where they have no net charge. Positively charged proteins migrate toward the anode, which is negatively charged in this context.

In Isoelectric Focusing