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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.
Describe the effects on the urinary system of drinking too much beer.
Explain the term - Social Attention and Environmental Influences The importance of social environment and early experiences in neurodevelopment is increasingly recognised. Due
Spinal cord The elongated part of CNS that runs downward in the spinal canal as continuationof medulla oblongata is called spinal cord. The functions of the Spinal Cord are
Note on production of haploid by tissue culture.
Q. Is water a non-polar or a polar molecule? What is the consequence of that characteristic for the function of water as solvent? Ans. Water is made of two atoms of hydrog
What are compound eyes? Arthropods have compound eyes made of many visual units called ommatidia. Every ommatidium transmits visual information by the optic nerve to the brain,
what is the structure of hiv virus?
What are some examples of interspecific competition? Examples of interspecific competition are: the dispute between vultures, worms, flies and microorganisms for carrion and th
If sugar is heavier than aspartame, then the can of regular soda will sink. How will you test this hypothesis? Write brief descriptions of how you could test?
E r y s i p e l a s A sudden onset of infection with the bacterium E rysipelothrix insidiosa ( E . rhusiopathiae ) is seen in turkeys and increasingly in free-rang
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