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Explain the Completed Test - Most Probable Number Test?
Coliform colonies on EMB or Endo agar are further examined by completed test by inoculating lactose broth and nutrient agar slants from isolated colonies in confirmed test. Production of acid and gas in lactose broth and presence of gram negative rods in nutrient agar slants finally confirms the presence of E.coli in water sample and is considered to be a positive completed test.
Having gone through the discussion above, the 3 basic tests involved in detecting coliform in a water sample must be clearly understood by you. Make sure the procedure involved is clear, because we will try out these tests in the laboratory. Also a knowledge about the differential media, which are required for these tests is essential. So let us get to learn how to make these media.
Abrasive action of water, ice and wind Water is an important mechanical weathering agent both in liquid as well as in the frozen state. Rain water carrying sediments, ice glac
Triple Fusion The fusion process between the other male gamete and the secondary nucleus follows the same pattern as syngamy. In most plants, the polar nuclei are only partial
Q. What is the organ that releases the female gamete under formation? How is this release triggered? What is the organ that collects the released gametes? The organ that libera
Q. What is compound that is phosphorylated for ATP formation? What is resulting compound when ATP liberates energy? adenosine triphosphate or ATP is formed after the binding of
Saturated Fatty Acids - These are solid at room temperature. These are metabolically less active so have a tendency to deposit in the body (synthesized in body) These
Pre-conditions for GTT You are advised to carry out the GTT (OGTT) test to confirm a diagnosis of diabetes mellitus for a person with: a) The history of glycosuria (glucose
What is the evolutionary importance of pteridophytes? As the first tracheophytes, pteridophytes were also the first plants to extensively colonize the terrestrial environment f
Q. How is excretion done in fishes? Fishes have a pair of kidneys that filtrate the blood, bony fishes excrete nitrogen as ammonia NH3 (they are ammoniotelic) and cartilaginous
critera for the animal classification
F o wl cholera Fowl cholera, a highly contagious disease of poultry caused by Pasteurella multocida, was one of the first infectious diseases to be recognized by Louis Past
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