The ones that are slightly positive will be attractive, but not as much. The attraction will be less. And these negatively charged will not be attractive, they will be repelled. And so what that means is these negatively charged proteins will travel the quickest in this column that contains these negatively charged beats, while these very positive proteins will essentially not travel at all, because they will be stuck. They will be attractive to those negatively charged beats as a result of the electric attraction between positive charges and negative charges. Now, one analogy I can give is the following.