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Explain Procedure for the test of Presence of Coliform Bacteria?
This test procedure is in continuation to the presumptive test procedure followed on last experiment. Now carry out this exercise following the steps enumerated herewith.
1. Label the EMB/Endo agar plates with the source of the water sample.
2. Streak the plates with the respective positive or doubtful presumptive broth culture using sterile inoculating loop.
3. Incubate all the culture plates in an inverted position for 24 hours at 37°C.
4. Observe the plates for the presence or absence of E.coli colonies.
Appearance of typical colonies with dark centres and metallic sheen indicates positive confirmed test, i.e., water is non potable.
a) What is meant by 'vaso-dilation'? b) What are the effects of vaso-dilation in the skin? (a) Vaso-dilation is an enhance in diameter of small arterioles and
Determine the Exercises require to do diabetic patient Exercises are any bodily activity that enhances or maintain physical fitness and overall health. It is performed for stre
Another important genus of mycotoxin producers is Fusarium, many species of which produce members of the trichothecene family of mold metabolites like deoxynivalenol, neosolaniol a
Describe Lifetime Risk Estimation ? Traditional statistical and epidemiological methods of estimating long-term risks do not accurately reflect population burden of disease. Th
Telenursing Telenursing refers to the exchange of expertise in various areas like nursing diagnosis data over a distance. It is divided into the following categories: a)
The next step in the nitrogen cycle is the assimilation of inorganic nitrogen in the type of ammonia into organic nitrogen-having compounds. Total organisms assimilate ammonia by
what are the general characteristicss of porifera
DISACCHARIDES They are oligosaccharides composed of two monosaccharide residues . Three common disaccharides are sucrose (glucose + fructose) = cane suger maltose
How do birds reproduce? Birds, like each vertebrate, have sexual reproduction. Their embryos develop within shelled eggs having extraembryonic membranes and outside the mother'
Q. Why is carbon monoxide toxic for humans? Hemoglobin "likes" carbon monoxide (CO) much more than it likes oxygen. When there is carbon monoxide in the inhaled air it binds to
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