How Much to Charge for Graduation Photos. Graduation is an important turning point in many lives. What better way to remember that turning point than with graduation photos? Traditionally, photos were taken by the graduate's loved ones in the audience, but that is changing. Professional photographers are beginning to find a new market in graduation events.
Gel electrophoresis is a technique that allows the DNA fragments to separate according to? Length. DNA has a natural negative charge - and so will move towards the positive electrode.
Gel electrophoresis is a laboratory method used to separate mixtures of DNA, RNA, or proteins according to molecular size. In gel electrophoresis, the molecules to be separated are pushed by an electrical field through a gel that contains small pores.