Definition of GRAVAMEN: The burden or gist of a charge; the grievance or injury specially complained of.In English ecclesiastical law. A grievance complained of by the clergy befo The Law Dictionary Featuring Black's Law Dictionary Free Online Legal Dictionary 2nd Ed.
Phosphate and sugar make up the sides of a DNA ladder.
A DNA ladder usually contains a set of known DNA fragments with different sizes in base pairs (bp) or kilo bases (kb). These DNA fragments are separated and visualized as DNA bands on a gel. These separated DNA bands together look like a ladder on the gel (see pictures below) and therefore it is called DNA ladder. DNA ladder usually contains a set of known DNA fragments with different sizes in base pairs (bp) or kilo bases (kb). These DNA fragments are separated and visualized as DNA bands on a gel. These separated DNA bands together look like a ladder on the gel (see pictures below) and therefore it is called DNA ladder.