Restriction enzymes can bind to and cut DNA at specific sites.
The discovery of enzymes that could cut and paste DNA made genetic engineering possible.
Genetic engineering: inserting new DNA into a plasmid vector.
New York high school students interview Dr. Scott Lowe of Memorial Sloan-Kettering Cancer Center about using restriction enzyme analysis in cancer research, then perform the experiment.
Performing the electron micrograph DNA/RNA hybridizations, and seeing the results.
DNA with "sticky ends" can be rejoined and ligated together.
James Watson discusses the breakthrough that allowed scientists to cut DNA.
Rich Roberts and Phil Sharp explain restriction enzymes, electrophoresis, and split genes.
Describing the early work purifying restriction enzymes.