Save
A Level Exams
Biology A Level Edexcel A
RP14
Save
Share
Learn
Content
Leaderboard
Learn
Created by
Ishmal H
Visit profile
Cards (6)
Gel electrophoresis
Used to separate
DNA
fragments of different
sizes
View source
Gel electrophoresis process
1.
DNA fragments
(cut with
restriction endonuclease enzymes
) loaded into wells in agarose gel
2.
Current
applied
3.
DNA
moves towards
anode
4. Different
DNA fragments
move at different
rates
5.
Bands
created at different
heights
View source
Gel electrophoresis
Used as part of
DNA
profiling
View source
There are significant
risks
associated with this practical and the equipment involved is
expensive
View source
It is likely you'll use a
simulation
of this
practical
instead of the actual process
View source
See the video from
Addgene
for a detailed explanation and
demonstration
of the method
View source