Having trouble with understanding Electrophoresis

[LatexZone]

Homework Statement

Could you please explain to me what Electrophoresis is?

Homework Equations

No equations for this.

The Attempt at a Solution

I know it's a method of separating large molecules (such as DNA fragments or proteins) from a mixture of similar molecules, but I am still confused of what the concept is..

Thanks to anyone who can help.

 

[LatexZone]

Nevermind, done.