Spatial Data Objects. The geometry and geography data types support sixteen spatial data objects, or instance types. However, only eleven of these instance types are instantiable; you can create and work with these instances (or instantiate them) in a database.
Rewiring the grain. Metabolic engineering. Golden Rice technology is based on the simple principle that rice plants possess the whole machinery to synthesise Î²-carotene, and while this machinery is fully active in leaves, parts of it are turned off in the grain.
When you consume golden rice, the beta-carotene either accumulates in your fatty tissues or is transformed into vitamin A. Carotenoids, like beta-carotene, are the colorful plant pigments normally found in a variety of fruits and vegetables (carrots, tomatoes, broccoli, cantaloupe, sweet potatoes, etc.).