In humans, the reduction division results in two sperm cells each with 23 chromosomes or an egg cell with 23 chromosomes and one discarded polar body. The second division or meiosis II is called equational division.
A feedstock is defined as any renewable, biological material that can be used directly as a fuel, or converted to another form of fuel or energy product. Biomass feedstocks are the plant and algal materials used to derive fuels like ethanol, butanol, biodiesel, and other hydrocarbon fuels.
raw material - material suitable for manufacture or use or finishing. staple. material, stuff - the tangible substance that goes into the makeup of a physical object; coal is a hard black material; wheat is the stuff they use to make bread. feedstock - the raw material that is required for some industrial process.