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Explore electrophoresis with The Amoeba Sisters! This biotechnology video introduces gel electrophoresis and how it functions to separate molecules by size. Restriction enzymes, DNA ladders, and DNA fingerprinting briefly introduced.

activities

Paul Andersen explains the two major portions of the molecular biology lab in AP Biology. He starts by discussing the process of transformation. He explains how you can use the pGLO plasmid to produce glowing E. coli bacteria. He then describes how you can use restriction enzymes and the process of gel electrophoresis to cut and separate DNA.

2 min video A quick tutorial, showing how we use restriction enzymes to cut out a desired gene from one organism, and insert it into the plasmid of a bacterium. This allows massive production of the desired protein (in this case the hormone: insulin) in a relatively short amount of time.