E2F is a group of genes that codifies a family of transcription factors (TF) in higher eukaryotes. Three of them are activators: E2F1, 2 and E2F3a. Six others act as suppressors: E2F3b, E2F4-8. All of them are involved in the cell cycle regulation and synthesis of DNA in mammalian cells.
F2, F.II or similar may refer to: F2, the chemical formula for fluorine. or GF(2), in mathematics, the Galois field of two elements. F2, a category in the Fujita scale of tornado intensity. F2 hybrid, a type of crossing in classical genetics. F2 layer, a stratum of the Earth's ionosphere.
First Two Layers, or F2L are normally the first two bottom layers of the 3x3x3 cube, or essentially all layers up until the last layer on larger cubes. The definition is a little different depending on the subject or who you are talking to.
The McDonnell F2H Banshee was a single-seat carrier-based jet fighter aircraft deployed by the United States Navy and United States Marine Corps from 1948 to 1961. It was one of the primary American fighters used during the Korean War and was the only jet-powered fighter ever deployed by the Royal...
The Goodyear F2G "Super" Corsair is a development by the Goodyear Aircraft Company of the FG-1/F4U-1 Corsair design as a special low-altitude version of a fighter equipped with a Pratt & Whitney R-4360 28-cylinder, four-row radial air-cooled engine.