Author: Roberto Salvi Source: Contributed by Roberto Salvi Date Added: Tue May 14 2002 Date Modified: Thu Apr 29 2004 Abstract: Glycogen can conveniently substitute for tRNA as a carrier for nucleic acid precipitation. Although Molecular Biology grade glycogen can be purchased from a number of vendors, the main disadvantage is that it is very expensive (e.g., About 100 dollars/20-40 mg). Here we..