Agarose(琼脂糖) (1)a much less resolving 3 kb power than 2 kb polyacrylamide (2)but can separate DNA 0.5lb molecules of up to tens of kb12 Agarose (琼脂糖): (1)a much less resolving power than polyacrylamide, (2)but can separate DNA molecules of up to tens of kb 1 kb 0.5 kb 2 kb 3 kb 4 kb