Histones carry a slight positive charge, and DNA carries a slight negative charge. Since opposite charges attract, the DNA is pulled in toward the histones. A nucleosome is a segment of the DNA ...

When President Judge Travis Livengood asked Sembrot if the DNA evidence was the main reason for requesting dismissal of charges, Sembrot said it was a “major part” of it. “The DNA not ...

John Willis Pittman Jr. was a suspect then, but no charges were filed due to insufficient ... police said newly discovered DNA evidence has linked Pittman to her murder, as well.

Because eukaryotic DNA is tightly wrapped around nucleosomes and the positive charges of the histones tightly bind the negative charges of the DNA, nucleosomes essentially act as a physical ...

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 ...