Search results
Results from the WOW.Com Content Network
The carboxypeptidase A family can be divided into two subfamilies: carboxypeptidase H (regulatory) and carboxypeptidase A (digestive). [1] Members of the H family have longer C-termini than those of family A, [2] and carboxypeptidase M (a member of the H family) is bound to the membrane by a glycosylphosphatidylinositol anchor, unlike the majority of the M14 family, which are soluble.
This is a list of fungicides.These are chemical compounds which have been registered as agricultural fungicides.The names on the list are the ISO common name for the active ingredient which is formulated into the branded product sold to end-users. [1]
Nutrients in the soil are taken up by the plant through its roots, and in particular its root hairs.To be taken up by a plant, a nutrient element must be located near the root surface; however, the supply of nutrients in contact with the root is rapidly depleted within a distance of ca. 2 mm. [14] There are three basic mechanisms whereby nutrient ions dissolved in the soil solution are brought ...
Carboxypeptidase A (CPA) contains a zinc (Zn 2+) metal center in a tetrahedral geometry with amino acid residues in close proximity around zinc to facilitate catalysis and binding. Out of the 307 amino acids bonded in a peptide chain, the following amino acid residues are important for catalysis and binding; Glu-270, Arg-71, Arg-127, Asn-144 ...
The compound is a prototypical zinc dithiocarbamate, a broad class of coordination complexes with the formulae Zn(R 2 NCS 2) 2, where R can be varied. Such compounds are produced by treating zinc and dithiocarbamate (R 2 NCS 2 −), as illustrated with dimethyldithiocarbamate: [4] 2 (CH 3) 2 NCS 2 − + Zn 2+ → Zn((CH 3) 2 NCS 2) 2
Zinc is added to the soil primarily through the weathering of rocks, but humans have added zinc through fossil fuel combustion, mine waste, phosphate fertilizers, pesticide (zinc phosphide), limestone, manure, sewage sludge, and particles from galvanized surfaces. Excess zinc is toxic to plants, although zinc toxicity is far less widespread. [5]
About 1,000 soil subgroups are defined in the United States. [6] A soil family category is a group of soils within a subgroup and describes the physical and chemical properties which affect the response of soil to agricultural management and engineering applications. The principal characteristics used to differentiate soil families include ...
Pioneer sold the shares in 1998. Pioneer becomes the number one brand of soybeans in North America. 1992 - Pioneer paid $450,000 to Monsanto for rights to genetically modified soybean seeds that are resistant to RoundUp herbicide. 1993 - Pioneer paid $38 million to Monsanto for rights to Bt corn that is resistant to European corn borers.