Metabolic Pathways. 1  Although we can recognize a substrate and product. of individual enzymatic reactions metabolic. 2  Pathways can be linear, branched, cyclic or even. spiral. 3  Pathway activity is controlled in three ways.  Metabolites and enzymes may be localized in. different parts of the cell called metabolic.
Products often purchased by wastewater treatment plants include: 1  Alum or aluminum sulfate. 2  Sodium aluminate. 3  Polyaluminum Chloride.  Polymer 1  (dewatering) Sodium hydroxide.  Ferric 1  Chloride. Ferrous Chloride.
Water from any source that has been treated to remove chemicals and pathogens according to standards set by the U.S. Pharmacopoeia. Must contain no more than 10 parts per million of dissolved solids. Distillation, deionization, and reverse osmosis are all purification methods. Examples: Aquafina, Dasani.