0
Agarose gel electrophoresis is suitable for ALL DNA.
Check the answer for
How do you make an electrophoresis gel?
For larger molecules like proteins we use polyacrylamide gel electrophoresis (PAGE). For smaller pieces like DNA we use agarose gel electrophoresis
agarose helps in the separation of DNA bands by controlling the pore size of agarose gel
No, the agarose gel is just a polysaccharide.