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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.
Q. What are imago and nymph? Nymphs are larvae of hemimetabolic insects (like grasshoppers). They are very similar to the adult insect although smaller, In holometabolic insect
A large leaf on a plant in bright sunshine evaporates 5 grams of water per hour. Cooling the leaf through evaporation in this manner enables the plant to eliminate heat energy at t
Independent assortment has which of the following effects on the inheritance of alleles? a.Alleles on the same chromosome are not always inherited together. b.Alleles on diff
Ask Prepare a 2-4 page summary of nucleic acid amplification techniques that are being explored in the development of nucleic assays for clinical use. Research and identify a mo
Butane and 2-methyl-propane are: Select one: a. Alcohols b. geometric isomers c. structural isomers d. Stereoisomers e. All of the above
For a sample containing both protein and nucleic acid, the absorbance measured at a particular wavelenght will be the sum of contributions from both types of molecule. using the pr
Q How different is the amphibian heart from the fish heart? The fish heart has only two chambers, a ventricle and an atrium, and the blood that comes to it is purely venous.
describe the structure of a lung in terms of covering membranes and cavities
Evidence Similarities between 79° and 70°, eg Feeding activity continuous / continues for 24 hours during polar day (summer months) feeding activity more intense i
Q. What is the essential morphology of a protozoan cell? Protozoans are eukaryotic cells so they have structures and organelles common to this kind of cell endoplasmic reticula
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