How does the magnitude of a protein's charge affect its movement through a cation exchange chromatography column?

• A. Proteins with greater negative charge move slower due to stronger binding to the resin.
• B. Proteins with greater positive charge move slower due to stronger binding to the resin.
• C. Proteins with greater positive charge move faster through the column.
• D. Proteins with neutral charge move slower due to lack of interaction with the resin.

Answer: (B)