electrophoresis

Question 1

purpose of electrophoresis

Answer 1

separates DNA segments based on size.

Question 2

describe how electrophoresis works.

Answer 2

agarose gell (purified agar)
segments put in wells
electric field applied - pos field opposite wells.
Small segments move further - can better fit through pores.
Can be labelled with gene probe/fluorescing dye
compared to standard ladder of el runs