I have a question about RNA agarose gel electrophoresis. What are the extra bands that are visible above 18s and 28s rRNAs?
If they show DNA contamination, why they have the same size in different samples? As I khow total DNA can not be loaded on the gel.
Are they possible to be 45s or other rRNAs precursors?
I will be thankfull of your considiration.