1. Plasmids are widely used in molecular genetics research.
2. Plasmids serve as useful vectors in genetic engineering and gene cloning.
3. Plasmids have a role in producing high yielding crops.
4. Plasmids are used in biotechnology to produce disease resistant varieties.
5. Plasmids are used to make insulin, interferon, enzymes etc.
6. Plasmids have applications in the diagnosis of a variety of diseases.
7. Plasmids are used to create insect and weed resistant plants.