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Explain Environmental Sampling - Methods and Techniques?
Environmental sampling can be done for total microbial load or for some specific pathogens or spoilage organisms. The medium used is chosen accordingly. Different media like Brain Heart Infusion (BHI) broth, Plate-count agar with or without antibiotics, Pseudomonas isolation agar etc. can be employed, depending upon the purpose. Criteria for acceptable microbiological results from food contact surfaces depend on the food being processed in the facility. On the basis of nature of the site, degree of contamination and microbiological information sought, different sampling techniques can be employed for processing surfaces and air sampling.
Q. What is the significance of water for enzymatic activity? Enzymes, Biological catalysts, depend on water to reach their substrates and bind to them. There is no enzymatic ac
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What is a burette and how is it used? A burette is a uniform-bore glass tube with fine gradations and a stopcock at the bottom, used particularly in laboratory procedures for a
Q. What are some functions of the epithelium? The epithelial tissues can perform protection, covering and impermeability against the environment, for instance, in the skin, res
What do biomass pyramids represent? Biomass pyramids show the sum of the masses of the individuals that participate in each trophic level of a food chain.
Theoretically you can build a light microscope with unlimited magnification, but can you build a light microscope with unlimited resolution? Why or why not? (Hint: what really cont
Explain the Toxicity of Vitamin E? Vitamin E is relatively non-toxic. Adults tolerate doses as high as 100 to 1,000 IU per day. However, adverse effects such as muscle weaknes
Determine by nutritive muscular cell? The cells which form the gastrodermis lining the inner cavity of cnidarians. They carry out two functions: First is to absorb and digest f
A lipoprotein is a biochemical assembly which haves both lipids and proteins, bound to the proteins that allow fats to move by the water outside and inside cells. The proteins serv
Q. Urine Examination of the diabetes Patient? Generally when blood testing facilities are not available, urine is tested for the presence of sugar. A urine sample shows presenc
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