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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.
Congenital disorders Poor fertilizing quality of semen could be due to impaired spermatogenesis. When such a condition is due to genetic congenital causes the treatment is not
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Byproducts high in energy and nitrogen Byproducts in this category include products such as blood meal and poultry offal meal, fish meal, extracted oilseed meals/cakes and wast
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Meroblastic or partial cleavage The egg does not divide totally because divisions are restricted to only a part of the egg where as the rest of the egg remains completely uncl
A cell with a euploid number of chromosomes contains: A.one half of a complete set of chromosomes B.several complete sets of chromosomes C.the correct number of chromosomes D.two c
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Explain Ventilation, Chest Compressions? Even when the first three defibrillation attempts fail, the best chance of resuscitation still lies in successful defibrillation. Hence
What is the distinction between interspecific competition and intraspecific competition? Interspecific competition takes place among organisms of the similar species. Intras
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