in-a-cation-exchange-chromatography-column-which-proteins-elute-first-and-why

Question

In a cation exchange chromatography column, which proteins elute first and why?

Accepted Answer

Negatively charged proteins elute first because they do not bind to the resin.

Answer

Positively charged proteins elute first because they bind weakly to the resin.

Answer

Neutral proteins elute first because they have no charge.

Answer

All proteins elute simultaneously due to equal binding.