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Explain Procedure for Performing the Completed Coliform Test?
Completed test is the last step in the Coliform test procedure which is described herewith. Conduct the exercise following the steps enumerated herewith.
1. Label the lactose broth tubes and nutrient agar slants with the source of water sample.
2. Inoculate the lactose broth tubes and nutrient agar slants with the isolated coliform colonies on the EMB/Endo agar plates from each of the experimental water samples.
3. Incubate the inoculated broth tubes and slants at 37°C for 24 hours.
4. Examine lactose broth fermentation tubes for production of acid and gas and nutrient slants for gram reaction and cell morphology.
5. Production of acid and gas in inoculated lactose broth and presence of gram negative rods in nutrient slants indicate a positive complete test and confirms the presence of coliforms in water sample.
Explain the Biochemical Approach in Taxonomy Comparative biochemistry is being used increasingly in the systematic of animals, both for identification of organisms as well as f
Effect of Environmental Factors some lower organisms, though the genetic determiners of the sexes are present, the ambient environment plays a decisive role in the development
Q. Symptoms of gastro oesophageal reflux disease? Most commonly, people with GERD complain of heartburn, a painful or uncomfortable feeling in the chest, which may radiate to t
Gel shift assay is a technique by which one can determine whether a particular protein preparation contains factors which bind to the specific DNA fragment. At times when a radiol
What are the differences between vertebrates and the other chordates? Vertebrates are dissimilar because they have a spinal column (vertebral column). In these animals the noto
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name a disorder of human blood that is caused by mutation
Define Natural Adulteration - Types of Adulteration? These are the chemicals, organic compounds or radicals which are naturally present in the food and are harmful to the healt
Sucrose is commonly used to preserve fruits why not glucose? Ans) Glucose is reactive due to its open-chain form having an aldehyde group.
DEXTRIN Intermediate product of hydrolysis of starch. It consists of maltose & glucose. It is found in yeast & some bacteria.
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