Clerical work typically refers to a variety of office and administrative support duties. If you're interested in a career in clerical work, read on to learn more about the nature of the profession and the variety of occupations available.
available organic molecules are formed known as volatile fatty acids (VFAs). VFAs typically found in wastewater are acetic acid (acetate) and propionic acid. VFAs provide the food for PAOs. Polyhydroxyalkanoates (PHAs) are energy-rich carbon polymers inside a bacterial cell,
All cells require folic acid and it can diffuse easily into human cells. But the vitamin cannot enter bacterial cells and thus bacteria must make their own. The sulfa drugs such as sulfonamides inhibit a critical enzyme--dihydropteroate synthase--in this process. Once the process is stopped, the bacteria can no longer grow.