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Explain the Primary Stain - Ziehl-Neelsen Method?
Ordinary aqueous stains like methylene blue, crystal violet, etc. are not able to stain most of the species of Mycobacteria. Carbol fuchsin, a red mixture of basic fuchsin and phenol can be used for staining these bacteria. Basic fuchsin, binds to carboxylic acid group of mycolic acid and phenol enhances penetration of basic fuchsin into lipid. Penetration is further enhanced by slow heating to steaming for 2-3 minutes. This drives the stain inside the cytoplasm. In modified Ziehl-Neelsen method, instead of heating, a wetting agent - Turgitol - can be added to the stain. This agent reduces surface tension between the cell wall of the mycobacteria and the stain. After staining, all cells become red.
Fire Protection - Factors Affecting Occupational Health Fire protection and extinguishing devices require to be installed at proper places in the work place and proper notices
Explain Heat Preservation - Method of Food Preservation? The process of heating was used centuries before its action was understood. Food is heated up or cooked. Heat kills mi
Germ line gene therapy - This approach either targets to correct the totipotent cells within human conceptus or stimulate the genetic modifications within reproductive cells that
in what form brain stores thinking or past experiences?
Q. Explain Hydraulic Formula? This relates to pressure gradient and velocity of flow: V2 = (Cv)2 2gh or V = (Cv) 2gh Wherein, V = velocity of flow Cv = coefficient
Define Formula Concentration and Supplementation - Calorie Density? Formula Concentration can be done by decreasing the amount or water added in the mixing of the formula. Sta
Differentiate between glycogenesis and glycogenolysis. The synthesis of glycogen in liver and muscle is called glycogenesis. The breakdown of glycogen in the liver (glycoge
Q. What is the lymphatic system? The lymphatic system is a network of specialized valved vessels that drain interstitial fluid (lymph), the lymphatic system is as well responsi
Auxins - Apical Dominance The role of auxins in controlling the apical dominance was shown by the experiments done by Skoog and Thimann with the broad bean plant. They removed
Classification of Protozoa Traditionally, protozoans have been classified as flagellates, amoebae, sporozoans and ciliates. We have retained this broad grouping for convenienc
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