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FeMoco (FeMo cofactor) is the primary cofactor of nitrogenase. Nitrogenase is the enzyme that catalyzes the conversion of atmospheric nitrogen molecules N 2 into ammonia (NH 3) through the process known as nitrogen fixation. Because it contains iron and molybdenum, the cofactor is called FeMoco. Its stoichiometry is Fe 7 MoS 9 C.
This photo shows regeneration, a tree growing out of the stump of another tree that was felled in 1962 by the remnants of Typhoon Freda. A secondary forest (or second-growth forest ) is a forest or woodland area which has regenerated through largely natural processes after human-caused disturbances , such as timber harvest or agriculture ...
It has an unusually diverse tree flora, with as many as 30 tree species at a single site including many relics of the ancient forest that once covered North America more widely. Along with the forest there is a rich undergrowth of ferns , fungi , herbaceous plants , shrubs and small trees as well as areas of glade , heath , shale , peat bog and ...
Winter count - Several Native American groups in the Great Plains have used winter counts as pictorial calendars for record-keeping. Writing system – many indigenous American cultures, such as the Olmec, Maya, Aztec, Zapotec, and Toltec, developed Mesoamerican writing systemss. Other native peoples to the north—mainly Algonquians—had ...
The tech tree is the representation of all possible paths of research a player can take, up to the culmination of said sequence. A player who is engaged in research activities is said to be "teching up", "going up the tech tree", or "moving up the tech tree". Analysis of a tech tree can lead players to memorize and use specific build orders.
The invention of the use of Guaiacum for syphilis. The genus is famous as the supplier of lignum vitae, which is the wood of several species in the genus. [citation needed] It is the fourth-hardest variety of wood as measured by the Janka hardness test, requiring a force of 4,500 lb f (20,000 N) to embed a steel ball 0.444 in (1.13 cm) in diameter half that distance into the wood.
The Timber Culture Act was a follow-up act to the Homestead Act.The Timber Culture Act was passed by Congress in 1873. The act allowed homesteaders to get another 160 acres (65 ha) of land if they planted trees on one-fourth of the land, because the land was "almost one entire plain of grass, which is and ever must be useless to cultivating man."
Dracaena americana, the Central American dragon tree or candlewood, [4] is a neotropical tree in the genus Dracaena, native to southern Mexico, Guatemala, Panama, Honduras, Belize, Costa Rica, and Colombia. [5] It is one of only two Dracaena species native to the Americas, the other being Dracaena cubensis. [6]