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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.
SED A TIV E HYPNOTICS - They depress the activity of CNS. Reduce excitement, give feeling of calm. Higher doses induces sleep. Sleep inducing drugs are also called
Q. What is an example of positive feedback of the homeostatic regulation? In positive feedback the effect caused by an action stimulates the action even more. This is a rarer m
Migration - Population Dispersal Dispersal is affected by the presence or absence of the barrier and vagility which means inherent power of movement also called dispersal powe
Inhibition Model - Models of Succession According to this model, succession is very heterogenous because the development at any one site depends on who gets there first. Speci
Explain about the Shade Drying? Shade drying is carried out for products which can lose their colour and/or turn brown if put in direct sunlight. Products that have naturally v
Results: The risk of isolated aortic valve replacement is 3-4 per cent. The long term survival for 5, 10 and 15years is 75 per cent, 60 per cent and 40 per cent respectively. The
Why is it necessary to have the second division in meiosis even though cells have already been reduced to haploid number after the first division?
At 1 AM, a researcher places a healthy squid giant axon in a bath of normal squid physiological extracellular saline and internally perfuses the axon with normal squid intracellula
What is cell theory? Cell theory declares that the cell is the constituent unit of living beings. Before the discovery of the cell, it was not identified that living beings
Explain about the Pickling - methods of food processing? Pickling was widely used to preserve meats, fruits and vegetables in the past, but today it is used almost exclusively
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