Biotechnology

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What is gel electrophoresis?

DNA is cut up to pieces by restriction enzymes.
What moves DNA pieces through a gel?

electric current/.
what happens to small/ large pieces?

small pieces move fast, big ones move slow.
how do you visual the DNA on a gel?

by stains.
What is DNA fingerprinting?

the patterns of the bands.
what are some uses for DNA finger printing?
- indentify family members
- indentify missing person
- indentify parts of bodies
- trace orgin of diseases
what are the tools used for DNA fingerprinting? (6)
- micropipets
- stains
- DNA
- aragose gel
- tanks
- power supply
Micropipet?
what are the necessities?
- percision instrument for measuring VERY small volumes.
- always use a tip; always keep vertical
stains and DNA
where are the DNAs kept at?
- stains DNA.
- epitubes.
agarose gel

made of carbohydrates. DNA is pipetted into wells.
tanks

have platform for gel. two reservoirs of water. + and - electro.
power supply?
necessities?
- supplies high voltage to pull DNA through gel.
- always have top on